Scottish Rock Garden Club Forum
Bulbs => Bulbs General => Topic started by: Yann on January 17, 2016, 04:38:25 PM
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Cleaning the greenhouse i found Corydalis × allenii 'Enno' in bloom, emerging from the soil.
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I was wondering if some Corydalis are hidden somewhere in between all those pots :)
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Yes, i've 25 species in pots, outside there're eaten by slugs as usual >:(
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Wow, here the chipmunks are more of a problem; cuter than the slugs ;) but also very damaging on everything Corydalis, Dicentra and so on...
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Corydalis haussknechtii
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Such a soft colour! They all rank high in my favourite genera.
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Corydalis subremota in the garden
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Very cute, is it related to the C. solida? Looks a lot like it.
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Hello, Could anyone tell me it is? It is in my wild undergrowth and it multiplies well back to the garden in semi-shaded area sometimes very dry in summer. I thought Corydalis Cava or solida.
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Hello, Could anyone tell me it is? It is in my wild undergrowth and it multiplies well back to the garden in semi-shaded area sometimes very dry in summer. I thought Corydalis Cava or solida.
it's not C.cava, it could be C.solida. :)
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Very cute, is it related to the C. solida? Looks a lot like it.
If I remember right, C.subremota is closely related to C.solida. I bought C.subremota a few years ago, but only a small leaf came up the next spring, I'm not sure if it is alive now. It's bulbs were (naturally) smaller than C.solida bulbs and more prone to drying, perhaps that is why I failed to establish it.
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Mine are grown in full sun, south side beside a rock. In summer it can be very dry in my clay soil.
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If I remember right, C.subremota is closely related to C.solida. I bought C.subremota a few years ago, but only a small leaf came up the next spring, I'm not sure if it is alive now. It's bulbs were (naturally) smaller than C.solida bulbs and more prone to drying, perhaps that is why I failed to establish it.
Thank you Leena. I went looking over the web and it seems that regarding the name is accepted as C. solida ssp. subremota. I couldn't find though what the differences are. It should be something more than just the smaller bulbs - good to know. Maybe Yann will post another close-up image?
I have few forms of C. solida and I wouldn't mind to have more :)
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These seeds have germinated recently - corydalis chaerophylla. I was surprised to see that the seedlings are dicots, all the corydalis and dicentras I've grown so far have had only one seed leaf, so I decided to do some research to see if the seeds were correctly identified. In the book Bleedling Hearts, Corydalis and their Relatives, I read that certain species of corydalis and dicentra have, in the course of their evolution, lost one of their seed leaves - this applies to all tuberous corydalis, some dicentra and some of the non-tuberous Himalayan species. The book does not state whether C. Chaerophylla is a monocot or dicot and I haven't been able to find anything further on this. Anyone know about this?
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I don't grow as many Corydalis as I wish yet, so I cannot give you a general answer. But I can show how the seedlings of C. solida - most probably Pseudofumaria lutea, and Capnoides sempervirens (formerly Corydalis) look. Yours may indeed also belong to a Corydalis.
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Thanks, Gabriela, I will report back with another photo when the seedlings are a bit bigger. The seed was from Chris Chadwell's latest expedition to the Himalaya. It's always exciting to see what comes up.
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And I had assumed just the opposite: that all corydalis had two cotyledons!
Corydalis wilsonii
Pseudofumaria alba (or Corydalis ochroleuca)
Corydalis cheilanthifolia
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Gabriela, could your Corydalis solida seedling be second year seedling? I'm almost sure that here in my garden the self sown seedlings have only one cotydelon when they germinate. I will have to look carefully in May.
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I think you are right, Leena, because C. Solida is tuberous, and according to the corydalis book, should therefore be monocot. I'll post some monocot seedling photos for you later, Rick, when the rain stops!
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Yes, Leena is right. All the solida seedlings in my garden have one cotyledon. Other species like ochroleuca and lutea (Pseudofumaria/Corydalis) have 2.
Gabriela, your plant look a little like a C scouleri seedling.
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Gabriela, could your Corydalis solida seedling be second year seedling? I'm almost sure that here in my garden the self sown seedlings have only one cotydelon when they germinate. I will have to look carefully in May.
It is very possible Leena that in my picture, which was taken in the garden not in pots, it is a Pseudofumaria lutea seedling. It was allowed to grow everywhere...
I have sown C. solida in pots but they are outside and nothing germinates yet. I will make a note to the image.
Dear Trond,
Please read above. Two years ago the only Corydalis flowering in my garden were solida and P. lutea. I didn't even tried scouleri, I don't think is hardy enough here.
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Corydalis seisumsiana
(https://c2.staticflickr.com/2/1617/25707593066_f28e445e8e_o.jpg)
Corydalis cyrtocentra
(https://c2.staticflickr.com/2/1575/25733647665_b78cc741f5_o.jpg)
Corydalis cyrtocentra var.
(https://c2.staticflickr.com/2/1704/25707592426_fd27de625f_o.jpg)
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Corydalis flowers are rather small so these close-up photos are super to showcase just how interesting they are, Steve.
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Intricate and desirable, I went google-ing right away for them.
You are the best advertiser for those selling the plants you show in your pictures Steve!
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Steve,
Your images as always are suberb :D
Could you also post pics of the entire plant to show their growth habit?
cheers
fermi
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It is very possible Leena that in my picture, which was taken in the garden not in pots, it is a Pseudofumaria lutea seedling. It was allowed to grow everywhere...
I have sown C. solida in pots but they are outside and nothing germinates yet. I will make a note to the image.
Dear Trond,
Please read above. Two years ago the only Corydalis flowering in my garden were solida and P. lutea. I didn't even tried scouleri, I don't think is hardy enough here.
;) If you don't try you will never know . . . .
Corydalis seisumsiana
Corydalis cyrtocentra
Corydalis cyrtocentra var.
Would love to grow them but I doubt they will tolerate my climate outside. (And I can't have too many pots inside :( )
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I grow my Leonticoides Corydalis in pots in an unheated frame. I keep them dry from dormancy (usually mid-late May) until December. In a cold winter they appear in early March but this year they began to appear in January and so are a wee bit leggy.
Here are a few more:
Corydalis sewerzowii
(https://c2.staticflickr.com/2/1585/25133308884_9ecc66eef7_o_d.jpg)
Corydalis macrocentra The almost spent flowers turn red.
(https://c2.staticflickr.com/2/1519/25763749675_0929133859_o_d.jpg)
Corydalis nudicaulis -Whilst this species belongs to a different group it also appreciates a long dry dormancy.
(https://c2.staticflickr.com/2/1651/25463064760_bfb23e8e68_o_d.jpg)
An image of part of the frame showing these plants in growth. There are about 15 plants of ten different species in this image:
(https://c2.staticflickr.com/2/1543/25668674501_039f8cfd75_o_d.jpg)
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Wow! :P
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Very impressive collection, Steve,
cheers
fermi
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My Corydalis 'Craigton Blue' which I have had for about three years has never kept it's leaves past late Autumn. But I'm pretty sure that leaves have normally started to re-shoot by this time but not this year though. Should I be worried?
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Ours loose the leaves in late summer then they regrow in Autumn and stay green all winter.
I don't think you should worry too much David, I am sure your plant came with a guarantee:-))
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Ours loose the leaves in late summer then they regrow in Autumn and stay green all winter.
I don't think you should worry too much David, I am sure your plant came with a guarantee:-))
Thanks Ian, there's still hope then. I can't remember for the life of me where I got it from. Possibly one of the nurseries at the South West AGS Show.
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Ours is wintergreen too David - makes a low carpet before getting taller at flowering. Are you sure it's Craigton Blue?
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Corydalis malkensis is popping up all over the garden. I have two of these pinkish coloured plants. Are they pure malkensis or could they be hybrids with solida?
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Corydalis solida with Corydalis malkensis in the last picture
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Roma, very nice red C.solida. :) In the spring there are many other coloured flowers but not so much red, so those are so nice.
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Thanks Leena. These are all self sown seedlings. I started out with 'George Baker' in a pot and planted out red and purple seedlings from it in the garden. I get red pink and purple but the reds are my favourites.
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Lovely selection of Corydalis Roma. I've had malkensis for 3-4 years and not a single seedling.
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I've not had self sown seedlijgs either David but I do collect the seed and sow it in a pot where it germanates well. For me, with so many birds in the garden this is a safer way. In particular, blackbirds do a lot of damage, scraping and pecking in any little place with a loose or humusy soil and so burying the seed or maybe even eating it. They eat just about anything.
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If I remember rightly, our C. malkensis took quite a few years before they began to seed - they are a real joy now, though.
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Does C. malkensis need frost to germinate? I harvest seed each year to sow immediately in pots, which I leave out in all weathers. The seeds usually germinate by February, just as the mature plants come into growth. This year the seedlings have only just appeared this week, although the adult plants have been flowering for weeks. We didn't have any frost really till January this winter and consistently cold night temps till Feb. Could this have delayed germination? Could it also explain David's lack of seedlings?
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I have only one or two malkensis seedling in the garden after several years, but also in my garden the blackbirds do a lot of damage by digging everywhere - and slugs seems to like Corydalis seedlings too :(
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In our garden, wild Corydalis solida grow well.
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Corydalis seed is loved by finches, if your not getting seed try covering with fleece. Mice and pheasants love eating the bulbs in spring.
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Fred it looks like you've a nice woodland garden, climate of the Ardennes has a favourable effect on the delicate Corydalis.
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Corydalis seed is loved by finches, if your not getting seed try covering with fleece. Mice and pheasants love eating the bulbs in spring.
It's true finches (Fringilla coelebs) are often on the ground near them. However, I fed a lot with sunflower seeds. He seems to prefer.
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Fred it looks like you've a nice woodland garden, climate of the Ardennes has a favourable effect on the delicate Corydalis.
Yes, I have a lot of ground (1 hectare) and an undergrowth elsewhere (I also speak on another post). This is where push Narcissus pseudonarcissus with Allium ursinum, Arum maculatum, Anemone nemorosa, ...
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Whouh , lucky you're, in my location i'll need 3 lifes to refund the land :o
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It depends on what is called lucky. You can read this link, it's less fun for me. ::) http://www.srgc.net/forum/index.php?topic=14171.0 (http://www.srgc.net/forum/index.php?topic=14171.0)
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Can anyone help with identifying this corydalis? A friend got it as C. nobilis, which we both agree it isn't. The book Bleeding Hearts, Corydalis and their Relatives leads me to think it might be C. heterocarpa, but the stems are described as "leafy, branched". These stems are branched - and a distinctive red colour - but i wouldn't describe them as leafy. A google search brought up several photos which seem to match my plant, but perhaps they are not correctly named. I remember there was a discussion a year or two ago about a wrongly named C. nobilis. The C.heterocarpa description does not mention red stems.
It's a super looking plant, which seeds itself around the garden.
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You're right, Carolyn, we've had several discussions on C. nobilis over the years, as a forum search will show! I think you'll find some interesting info on this thread though http://www.srgc.net/forum/index.php?topic=13099.0 (http://www.srgc.net/forum/index.php?topic=13099.0)
which will help you to decide what your plant is. ;)
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Thanks, Maggi, I think my plant is the same one offered by Derry of specialplants.
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Corydalis solida 'Transylvanica' - a richer pink than one shown earlier.
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So pretty in pink :)
A few that are up here will get under snow tonight...
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It's very nice that way too. :D The corydalis are used to support a return of cold without any damage. ;)
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I had never really paid attention, but I just find shapes in different colors Corydalis solida along a wooded road. They are naturally purple. There are also roses, more red, white, white with a little blue or purple ...
See the pictures below.
[attach=1] [attach=3] [attach=4] [attach=5] [attach=2]
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Nice to see the natural variation in colour Fred, just what I try and achieve in the garden.
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What you are doing very well indeed. By cons I saw pink corydalis, but not as red as in your garden.
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I'm still waiting for my C.solida to come up and flower but I have another Corydalis question.
I have C.panda and C.pseudobarbisepala, both are grown from seeds bought from Holubeck. They both flowered for the first time last summer.
I had planted them in my woodland bed, in semishade, but I've been wondering if I should move them to more sunnier and dried spot (if they are alive after this winter)? Their growth habit is not very good, the stems are not erect.
Another question is about C.pachycentra. What kind of soil and place would you grow it? I have in the same woodland bed as the others and where C.elata and C.flexuosa hybrids thrive, and it barely stays alive. It has never flowered and only puts up a few small leaves. Clearly I'm doing something wrong with it.
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I'm no expert, far from it ... You may be doing nothing wrong, some plants need to grow in mass to sustain with each other and do not fall. Perhaps it will take a few years to get something beautiful.
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The book on corydalis by Tebbitt, Liden and Zetterlund says that C. Pachycentra grows in NW Yunnan, from 3500 - 5000m, mainly on alpine meadow slopes with grass turf and open soil. This suggests to me a cool position, but not in dense woodland - a more open area.
Having said that, my 2 year old plant, growing in light shade, is no bigger than when I bought it!
Maybe Fred is right and it just needs time.
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It's very nice that way too. :D The corydalis are used to support a return of cold without any damage. ;)
Yes, but with at least 15 cm of wet snow on top they can break, they are so delicate :'(
Nice colour variation in your garden Fred. I don't have whites yet... How about the fragrance?
Leena - your blues are wonderful!
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The book on corydalis by Tebbitt, Liden and Zetterlund says that C. Pachycentra grows in NW Yunnan, from 3500 - 5000m, mainly on alpine meadow slopes with grass turf and open soil. This suggests to me a cool position, but not in dense woodland - a more open area.
Having said that, my 2 year old plant, growing in light shade, is no bigger than when I bought it!
Maybe Fred is right and it just needs time.
Yes, also the same book has a photo of C. panda growing in scree in full sun, where it looks beautifully compact. Not much on habitat. As for C. pseudobarbisepala it says '... growing on slopes along the roadside and... in rough alpine screes, where it is found with Meconopsis punicea and other alpine gems.'. Now that would be quite a combination! Perhaps both would appreciate a bit more light though I expect a cool location with moisture at the roots would still be needed.
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I find the scent, though lighter, somewhat reminiscent of a mixture of Hyacinthus and Convolaria
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Thank you all for comments. I think I will try them in more sun, the trouble is that my only slope may be too dry, but I'll think of something. Perhaps placing a big rock and planting behind it or something like that.
Corydalis solida is also here hardy, C.malkensis is above ground and we have had now still -3C at nights, and they are ok.
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Thank you all for comments. I think I will try them in more sun, the trouble is that my only slope may be too dry, but I'll think of something. Perhaps placing a big rock and planting behind it or something like that.
Corydalis solida is also here hardy, C.malkensis is above ground and we have had now still -3C at nights, and they are ok.
We went down to -10C, luckily with some snow. Nothing we can do about it….
I looked for C. pachycentra in the Guide to the flowers of Western China (C. Grey-Wilson & P. Cribb) and the habitat is also described as: ” alpine meadows, amongst alpine scrub, forest margins, shrubberies, 3,500-4,500 m”.
There are 3 pictures taken in the wild, and all seem to be in quite sunny positions, two of them in what looks like a very sparse, open alpine scrub (so that would mean full sun).
I hope you find a good location for it!
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I find the scent, though lighter, somewhat reminiscent of a mixture of Hyacinthus and Convolaria
Yes, quite delightful and some can have even a stronger fragrance. Only that my red ones are not fragrant at all; it may be colour related?
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just in flower here
Corydalis solida - blue shades (own selection) and the yellow variant of Corydalis marschalliana
Gerd
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Can somebody tell me what this is? It went dormant last summer, and then started growing in late autumn, having buds around christmas, outside. I put it in the greenhouse then to protect from frost. I've got it as a present without a name, and looking through the list of the nursery it might come from, the only possibility would be C. buschii. Can that be right? I started to get doubts as I read C. buschii is late flowering, whereas mine is already starting to go over (in the greenhouse though). Also the pictures I saw didn't seem to fit. Thank you for any suggestions.
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I can only confirm for you that it's not C. buschii Vincent, as you suspected, sorry (if you remember from when you transplanted it - buschii doesn't grow from a bulb, but from a fine 'rhizome like').
But it is beautiful - someone else may be able to say which one.
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I don't know Vincent's Corydalis, either.
It is too bad Göteborg Botanical garden don't sell seeds by mail any more, they were such good seeds.
Here is Corydalis bracteata, sown 2014, germinating 2015 and looking now like this in their second year. :)
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Hello everyone, last week I went to the festival of the castle of Enghien plants in Belgium. I brought a Corydalis solida 'George Baker' during late flowering. I also bought a Corydalis elata has not yet flowered and Corydalis flexuosa 'Purple Leaf' is in bloom. It is this that I put you in photos.
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How nice foliage. :)
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Hello everyone, last week I went to the festival of the castle of Enghien plants in Belgium. I brought a Corydalis solida 'George Baker' during late flowering. I also bought a Corydalis elata has not yet flowered and Corydalis flexuosa 'Purple Leaf' is in bloom. It is this that I put you in photos.
You are a lucky man Fred :)
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Yes, Leena, there is a rib and purple color that blends into the foliage. It's really pretty.
Gabriela, I do not know if I'm lucky. By cons I am happy. ;D
By cons, Corydalis flexuosa was told that is weaker in summer. If lack of water, it collapses. It therefore needs a shady location with the possibility of sun the early morning hours but many of freshness.
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C. flexuosa does have a habit of disappearing in summer in warmer climates and not reappearing.
For those interested in a blue Corydalis that is a 'good doer', I'd recommend C. 'Craigton Blue' which grows very well indeed for me (think Dicentra formosa). However, our cool location in NW Wales may also help!
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Where I live, we can not talk about a hot country. Also, I installed facing east, at the foot of a wall, not far from the sink drain to the terrace. He often humid there. Corydalis' Craigton Blue is a beautiful plant.
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Corydalis angustifolia, a very underrated plant in my opinion. Good white flowers and the foliage is more ornamental than many of the solidas.
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Also delighted to see some self-seeding of this plant, more of it will look lovely with the blue chionodoxas.
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Pleased to see some other Corydalis self-seeding, as I've never knowingly had this before. I think this is probably C. wendelboi.
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Corydalis angustifolia, a very underrated plant in my opinion. Good white flowers and the foliage is more ornamental than many of the solidas.
Agree, it's a nice one.
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Earlier in the spring there was talk about different looking C.solida 'Transsylvanica'.
This is how mine looks, it was bought from Janis Ruksans some years ago.
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I haven't a photo to show but my transsylvanica is a bricky red colour, not so rich as 'George Baker' but still very good. Actually I have several photos but having changed to a laptop with different picture programmes, I can't find anything at all.
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Now I've found it, in the process of deleting a lot of duplicates. (Possibly) productive way to spend a fine but very cold Anzac Day.
I think these pictures don't show the true colour though, should be a little more towards terra cotta maybe.
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Lesley, your 'Transsylvanica' has nicer warm colour than mine does, and also different flower shape :). I believe 'Transsylvanica' is more a strain than just one plant, so there are many types sold under the same name. :-\ Mine is quite tall.
Here are couple of more Corydalis from my garden flowering now.
I have nameless pinks and this tall and good 'Beth Evans'. It is very prolific, too.
Yellowish C.cava 'Alba' is always earlier than normal blueish C.cava.
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Beautiful Leena and I think you are right about the seed strain.
Even the cultivars, sometimes I wonder - I had no idea where my Beth Evans is (maybe one of my squirrels knows ;) but it was light pink and not at all floriferous. Nothing like the one in your picture.
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That's interesting Gabriela because though we don't have 'Beth Evans' in New Zealand, I've seen it several times here on the Forum, especially in the Young's Scottish garden and it has seemed to me to be lighter but purer pink. Perhaps it's a light thing or maybe the growing conditions/climate influence the colouring? It seems to me to be a very desirable cultivar. 8)
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My 'Beth Evans' was bought from Netherlands couple of years ago from bulk supplier. It is early, tall, and good quite strong pink, and has multiplied well for me in just a few years. It also has produced seeds, so I don't know how well the big producers can keep their stock pure and so that there are no seedlings. When I bought these originally five bulbs, they were all the same clone, but now I have spread it in many places in the garden. I think the plant in the picture was one or two bulbs planted last summer.
I may be wrong, but I've gotten the impression that the weather may affect the colour, at least in springs when there are lot of freezing nights, my hellebore flowers seem darker than when the weather is milder.
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Colder weather in the spring for sure affects the intensity of colour on Corydalis. The colder it gets, the more intense. I found an image with my Corydalis 'Beth Evans' (?) of last year. I don't know if the white line on the upper lips is characteristic, over the internet I found few images that show the same mark. I had it for 3 years and never produced seeds. It was bought from Fraser's Thimble Farm (BC), the only place that sells here named Corydalis.
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I will look around the garden tomorrow, maybe I'll found it somewhere.
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I finally could acquire a small plant Corydalis ochroleuca. I planted among the solida Corydalis.
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Nice one Fred. I think it rejoices now in the name of Pseudofumaria alba
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Three years ago I sowed seeds from my C.wendelboi 'Abant Wine'. They are flowering now, this clump is from those seeds. It seems to me that 'Abant Wine' has crossed with C.solida, because the leaves are not at as divided and thin as in AW. I didn't know C.wendelboi and C.solida can cross, is this usual?
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Good question, Leena! I'm not sure - but Ian says most of these corydalis are very promiscuous.
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I have collected seeds from 'Abant Wine' and sowed them now in three years, it will be interesting to see how other seedlings will look in years to come. There are lots of bees in the garden now so there is no way to prevent cross pollination. :)
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They look very colourful plants Leena, well worth growing.
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What a colour Leena :o Who cares if they crossed!
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Thanks David and Gabriela, I'm very happy with them myself, too.
I have wanted to increase the red corydalis in the garden (most of my seedlings seem to produce purplish or pink flowers), and that red is really great color, and I also like the flower and leaf shape.
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It's either too sunny or raining so not a very good image, but this is it - Corydalis nobilis is flowering. And a young one is also flowering for the first time :)
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This lovely plant Corydalis.
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Gabriela,
Will you be selling fresh seeds of C nobilis (assuming it sets seed)?
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Lovely and also fragrant Fred!
Carolyn - assuming it sets more than just few seeds, I will offer them for trade (preferably for other Corydalis sp.). If a lucky year and plenty, I will offer for sale.
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Fingers crossed for a good seed set on C nobilis!
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A few weeks ago, whilst on a visit to Norfolk, I picked up a few blue Corydalis, C. 'Spinners', C. 'Tory Blue' and C. 'Craigton Blue'. This was my third plant of 'Craigton Blue' having lost the previous two. Surely the gardener at fault Ian and Maggi and not the plants :( . I planted out my new plants last week before we embarked for a few days in Kent. When we came back yesterday all three of them had been grazed to the soil level (probably snails which thrive everywhere in my garden!).
I wonder if I dig up the remnants and re-plant them elsewhere they might just re-grow. Is this likely please?
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Yes David, they should regrow.
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Cheers Maggi, I don't like giving £14.00 meals to snails.
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Gabriela your nobilis looks very strong :o it should set seeds
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Do you need to lift and replant them David? Why not just sprinkle some slug/snail bait?
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Gabriela your nobilis looks very strong :o it should set seeds
I think it needs cross pollination Yann. I am curious to see if the young one flowering next to it will make a difference this year. It looks like this only because it grows incredibly fast after it warms up in the spring (sometimes +/- 10 cm/day ???)
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Friend has a huge clump of C. nobilis,
came from Goteborg back in the 70's as I recall
edit - By sheer coincidence a friend just sent me a photo of his C. nobilis, it too is from the Goteborg/Oxen Pond/Nova Scotia plant
john
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I have a large plant of Corydalis nobilis. It always puts plenty of seed, but I do not know if the seed is fertile. It tends to get little seedlings here and there, but for the amount of seed, it should be more seedlings. Is there an easy way to determine if a seed is fertile?
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Friend has a huge clump of C. nobilis, came from Goteborg back in the 70's as I recall. He just gave me one. I'll see if he can collect seed.
edit - By sheer coincidence a friend just sent me a photo of a C. nobilis seedling, it too is from the Goteborg/Oxen Pond/Nova Scotia plant. I'll see if they'll all collect seed!
john
It would be great to have few seeds of a different provenience John. Forumist and friend Robert Pavlis, who lives in a city nearby, also has a few plants, but they are all 'brothers/sisters' with the ones I have. They set a few seeds every year.
I have a large plant of Corydalis nobilis. It always puts plenty of seed, but I do not know if the seed is fertile. It tends to get little seedlings here and there, but for the amount of seed, it should be more seedlings. Is there an easy way to determine if a seed is fertile?
A cross section through the seeds should reveal if there is an embryo inside or not; hard to say if the embryos are normal and would grow though.
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Here is my Corydalis nobilis. I got one plant from an old farm house about 20 years ago, and at first it didn't increase at all. Slowly I started to see seedlings, but it took perhaps 10 years before I had more of them flowering, and now there are new seedlings in odd places, but it isn't a nuisance at all. So it can produce viable seeds with only one clone, but not much of them.
Here it grows under wild plums (with ground elder :-[). I think the flowers are quite small here compared to the whole plant.
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I have a large plant of Corydalis nobilis. It always puts plenty of seed, but I do not know if the seed is fertile. It tends to get little seedlings here and there, but for the amount of seed, it should be more seedlings. Is there an easy way to determine if a seed is fertile?
Best way is to sow it surely.
I had this plant once from SRGC or AGS seed and it did germinate but got too dry and died. But I have seen it growing around a greenhouse by the metre in a warmer part of NZ and the seedlings had spread into the green house and the nearby vegetable garden. Looked like it could be a menace. Definitely the same species and growing to about half a metre, gorgeous in bloom.
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Here is my Corydalis nobilis. I got one plant from an old farm house about 20 years ago, and at first it didn't increase at all. Slowly I started to see seedlings, but it took perhaps 10 years before I had more of them flowering, and now there are new seedlings in odd places, but it isn't a nuisance at all. So it can produce viable seeds with only one clone, but not much of them.
Here it grows under wild plums (with ground elder :-[). I think the flowers are quite small here compared to the whole plant.
Very nice Leena!
It is known that in time C. nobilis can become weedy. It is said that has happened even at Linnaeus former summer house. I look forward to this for my garden :)
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In reply 100 I was bemoaning that my newly acquired Corydalis 'Spinners' had been devoured by snails. Wrong plant though it was C. 'Hale Cat' that was one of the devoured. Here's my C. 'Spinners' and also C. 'Blue Dragon'
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Nice blue Corys David!
Not in my garden and almost done flowering; took me a while to ID-it ( forgot to take a good picture with the leaves :P
Corydalis incisa
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Are your blues clones of C. flexuosa David?
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I'm far from being an expert Lesley but I assume flexuosa genes are in the mix somewhere. Maybe Maggi will see this and remind us what is in the breeding of 'Craigton Blue' as this might be useful.
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Maybe Maggi will see this.
Nah, she's never on these pages! ;D
I have a feeling I read somewhere it's C. omeiana x flexuosa?
In the meantime here is my 'Craigton Blue', really thriving. I've given bits to the neighbours too, as I have rather a lot!
[attachimg=1]
[attachimg=2]
[attachimg=3]
[attachimg=4]
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Wow Tristan - you really have lots to share!
It would be great to have these cv. available here.
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Tristan has the parentage of Corydalis 'Craigton Blue' exactly correct .
I may be biased ( surely not, I've made a career of logically analysed comments!) but I do love 'Craigton Blue' - when it is happy it is a truly superb garden plant that gives interest over a very long period - great to see it looking so good in Tristan's garden. 8) :)
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Tristan's 'Craigton Blue' is great. :)
Mine has taken time to adjust to Finnish winter (and last winter was quite hard) so it isn't very big, but it is now in bud. :)
Corydalis 'Korn's Purple' is flowering here now, very nice.
Today I collected fresh Corydalis nobilis seeds, and I have extra for two packets, if anyone would like them.
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I may be biased ( surely not, I've made a career of logically analysed comments!) but I do love 'Craigton Blue' - when it is happy it is a truly superb garden plant that gives interest over a very long period
It is Maggi - puts those Mecs to shame! Much nicer foliage too. It often gives a second display later in the year for me.
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I've just been doing a bit of research on blue Corydalis that others might find useful and/or interesting.
As a starting point I used The Plant Finder aiming to pick out as many blue Corydalis as I could. We all know that The Plant Finder isn't the useful tool it used to be and there may be many others out there, and I may well have missed some that were there, but here we go.
According to The Plant Finder there are the following flexuosa clones. This doesn't mean that all of these are 'pure' flexuosa' (just that I read them to be) or that they will be in cultivation.
Purple Leaf
Pere David
Nightshade
Norman's Seedling
Blue Skies
Hidden Purple
Blue Dragon
Hale Cat
Blue Panda
We know that 'Ian and Maggi's cross 'Craigton Blue' is a cross between C. omeiana and flexuosa, and there may well be other clones from this cross out there.
There is a flexuosa x cashmiriana cross named 'Sapphire', and one named 'Kingfisher', and there may be others.
There is a C. curviflorum ssp rosthornii 'Blue Heron' , and again there may well be other clones.
There are a number of clones from a C. elata x flexuosa and I have found reference to the following.
'Spinners'
'Heavenly Blue'
'Tory MP'
Electric Blue'
Rainier Blue'
Edrom have an unnamed clone
and possibly 'Wildside Blue'. I shall be visiting Wildside at the end of the month and if Keith Wiley is available I shall ask him about the parentage
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That's most useful David; I wish I'd have at least half of them available!
Meanwhile, the only blue I have is not mentioned :-) Corydalis 'Kingfisher' - cross of flexuosa x cashmeriana. It was gifted to me last fall and just starts flowering. Unless it goes around by other name in UK?
I will post a picture later in the week.
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Thanks Gariela, I've added 'Kingfisher'
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and possibly 'Wildside Blue'. I shall be visiting Wildside at the end of the month and if Keith Wiley is available I shall ask him about the parentage
Well it's a wise (lucky) father knows his own child David. ;D
Your research does you proud. I wonder if they were all planted together, would there be enough real differences to tell them apart. Or are we embarking on another snowdrop saga? :-\ :-\ :-\
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Thank you David from me, too. :)
I wonder if they were all planted together, would there be enough real differences to tell them apart.
I have been thinking the same thing! I have C.flexuosa x elata 'Blue Dream' which I'm not sure I can tell apart from an unnamed flexuosa, and I have an unnamed C.elata and C.elata 'Blue Summit' which are similar, and I can tell them apart from flexuosa hybrids from their leaves and that they start to flower a bit later, but if I was to tell which is which from the flowers I'm not sure I could do it.
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.................I wonder if they were all planted together, would there be enough real differences to tell them apart.....................
You're probably right Leslie.
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Is 'China Blue' still going? One of the original three flexuosa clones along with Pere David and Purple Leaf, and my favourite of the three. I agree that there are probably too many clones although it's always hard to tell their habit on website photos (see also: blue poppies, autumn gentians). David, maybe it would be worth adding characteristics with them (height, flowering season, leaf colour etc?
In fact there seem to be a confusing number of Himalayan blue corydalis species which don't seem to be in cultivation (I would love to get my hands on C. panda for example).
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I said I'll have an image with it, so yet another blue Corydalis, C. 'Kingfisher'.
[attach=1]
And the NA, biennial Capnoides sempervirens (formerly Corydalis).
[attach=2]
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Interesting article in the June edition of 'The Plantsman', "Developments in Hardy Corydalis" by Brian Whitton who holds a National Plant Collection of the genus.
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Kingfisher has a wouahh deep blue
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Kingfisher has a wouahh deep blue
The silvery-gray foliage of Athyrium 'Ghost' may have some involvement in this ;)
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I think this is Corydalis elata. I had a pot labelled elata and one labelled 'Craigton Blue'. When I planted them out two years ago one split easily into 5 or 6 pieces which I planted in different places. The other was planted in one clump and is not flowering yet.
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Interesting article in the June edition of 'The Plantsman', "Developments in Hardy Corydalis" by Brian Whitton who holds a National Plant Collection of the genus.
I hope this article comes available online later, it sounds very interesting. David, what does it say about differences in named cultivars?
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Leena, I am away from home at the moment and will reply when I get back home.
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Thank you David.
Last year I got the real 'Craigton Blue' and it has now opened it's first flowers (it still hasn't quite adapted to the move here and is not as strong plant as my old wrong CBs), and I can see the difference in the colour in real CB and the ones which I had got as CB but which are clearly not. I have two older plants which were sold here as 'Craigton Blue' but their flowers are darker and more muddier blue, so they are some other C.flexuosa. All these plants are now growing in the same bed so there isn't difference in soil. The difference is the same as in the Ian's picture in the latest Bulb log, that is a great picture the show the difference!
It seems to me that the name 'Craigton Blue' is so well known that many blue flexuosa plants are sold under that name, at least here. :(
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Hi
Hope some-one can help me identify this corydalis. It was bought as C. flexuosa. The leaves are dark green and the flowers are blue with a purplish tinge. The problem is that the stems are 1m long which is much more than my C. flexuosa 'Blue Panda' stems which are up to 30cm and C. flexuosa 'Purple Leaf' which are 40 cm long. It is strong growing although the stems have flopped over. It also came into flower later - around mid June.
My hybrids 'Spinners', Craigton Blue' and 'Heavenly Blue' all were in flower in late May. The first two have stems 55 - 60 cm long and 'Heavenly Blue' under 50 cms.
The second image was bought as C. elata although I assume it is actually C. omeiana. It is 80 cm high and the foliage is a much lighter green and the flowers a clear blue. It is only coming into flower now.
Bob
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Heavens! How do your stems get to be so long? Is it just that they are in rich, damp soil and perhaps are forced up by their surrounding companions?
Alas, we don't have 'Craigton Blue' here but I do have som nice photos from 2013. ;D
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I have been looking my photos from last spring, and noticed now that I haven't posted much pictures of them here.
So, these Corydalis pictures were taken in the end of April and beginning of May, when they flower here in south Finland.
First to flower is C.malkensis.
C.solida 'Cantata' is the first red to come up.
C.solida 'Pink Smile' is also one of the earliest.
C.kusnetzovii x C. decipiens hybrid 'Drops of Claret'
C.kusnetzovii x C. decipiens hybrid 'Boyar', very dark red
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C.solida 'Beth Evans' and 'George Baker' do well here.
C.solida 'King Arthur' also does well, and it is a colour different than others I have.
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Corydalis marshalliana is one of my favourites, tall and good, though colour is not anything special.
Corydalis kuznetsovii was a new one for last spring, as was C.bracteata 'Marina'.
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So nice pictures to look at when all is frozen outsides... :D C. cantata is a beautiful red one. Thank you Leena to share them with us ;)
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You could say I'm a Corydalis enthusiast. :) :)
I like reds most, but this first one is blue which I'm going to save. It is tall (30cm) and has very thick flowers, it is like a hyacinth. It is seedling from the first patch of C.solida Penza strain mix I got 2009.
One good white has been 'Evening Shade' which multiplies fast here. I have had other whites too, but they have not been as good as ES.
The last picture is of an unknown Corydalis which has come from Augis bulbs C.solida mix some years ago, but I don't think it is pure solida. It comes up and flowers later, about same time as C.x allenii. It has very distinctive foliage and it holds it's flowers well. It may be one of the best I have. Any idea what it may be??
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So nice pictures to look at when all is frozen outsides... :D C. cantata is a beautiful red one. Thank you Leena to share them with us ;)
Thank you :). It is the same here, snow and all frozen.
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Beautiful plants Leena.
What is your winter and spring temperature?
In Canada (my city is Saskatoon) the weather is usually extremely cold during winter months but this year is different.
My Corydalis plants also come out at the same time as yours. Corydalis solida and C.malkensis are hardy here.
Last year I planted C.kusnetzovii and some hybrids .
Waiting eagerly to see them in spring.
I never grow snow drops here.
Tried once before but did not emerge after the winter. If you have information can you please tell me what is the snow drops you are growing?
May be I will try this year.
Kris
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Leena- wonderful photos!
Kris - snowdrops like Galanthus nivalis and G. elwesii should grow with you , I think. Worth a try if you can get them. Do not bother with named forms until you can be sure the "ordinary" species establish.
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What a joyful sight all those Corydalis Leena! :)
I sowed few new species as well last year so I can hardly wait, even if there will be no flowers.
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this first one is blue which I'm going to save. It is tall (30cm) and has very thick flowers, it is like a hyacinth. It is seedling from the first patch of C.solida Penza strain mix I got 2009.
Gosh it is like a hyacinth isn't it? Some lovely pictures Leena, I love to see them with the snowdrops and I bet 'Boyar' looks stunning next to them, I'll certainly look out for that one.
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Thanks Maggi, Gabriela and Brian. :)
'Boyar' is an early Corydalis here (at least last year), so it would be good with late snowdrops. I don't have any snowdrop growing near it, but Brian your comment gave me an idea to plant it next to yellow snowdrops, I think they would make a good combination. :)
Another very dark coloured Corydalis would be C.wendelboi 'Abant Wine', and I have to move it this year (Leucojum vernum seedlings are smothering it) so perhaps I will plant also it next to yellow snowdrops. :)
What is your winter and spring temperature?
In Canada (my city is Saskatoon) the weather is usually extremely cold during winter months but this year is different.
My Corydalis plants also come out at the same time as yours. Corydalis solida and C.malkensis are hardy here.
I never grow snow drops here.
Tried once before but did not emerge after the winter. If you have information can you please tell me what is the snow drops you are growing?
Thanks Kris. :)
Here the winters vary very much in recent years, the coldest is usually around -25C or little colder, but mostly it is between 0- -15C, and usually with quite little snow so the ground freezes deep. Now there is about 15cm snow in my garden, but usually there is more. The winter lasts usually from early December until late March, but sometimes even until April. This year winter started already in November. Snowdrops come up in March (or sometimes earlier), and April is the main snowdrop season here. There are still nights below 0C in April but the days are usually between 0 -+ 10C, in the end they may be +15C or even more. Corydalis solida comes up usually in mid April and they flower until the second week of May, but it depends on the spring.
I think if you can grow Corydalis malkensis and solida, you can grow also snowdrops, at least G.nivalis. :) I think it is a matter of soil more than climate, after they have become established. I don't think they mind the cold winter when they have rooted well. For me snowdrops do best when they are planted dormant in the summer, between June and August, or even the beginning of September, but when I have planted them later, clearly they have not had enough time to root properly before winter and then there may have been more damage. Like Maggi wrote, try with G.nivalis or some cheaper old cultivar, and I would suggest you to choose late flowering cultivars. Early flowering cultivars may come up too early and either flower inside the snow or if there is not snow, then their leaves may become damaged by the cold (if it is very cold), but not necessarily. If you get snowdrops closer to home, then you can also try to plant them in the spring, but if you have to order them from far away and they have to travel inside a package for more than a week when they are still green, then they (in my experience) suffer. I can recommend dormant bulbs from Dryad Nursery or Avon Bulbs from UK, the latter sends bulbs later than Anne whose bulbs have done very well for me, and come in August and so have plenty of time to root before winter. Plant snowdrops in the same kind of soil as Corydalis, cover the soil with dry leaves at least for the first winter so that bulbs have enough time to root, and I'm sure they will do well for you. :)
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Beautiful collection, Leena
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Thanks Fred. :)
Here is another picture with 'Boyar' in the front of Hellebores.
Corydalis wendelboi 'Abant Wine' surrounded by Leucojum vernum.
Not corydalis but close relative Dicentra cuccularia 'Pink Punk' flowering in May.
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Lovely pictures of some beautiful plants Leena.
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Anyone having to work with dry ephemeral seeds, might want to first expose seed to high humidity first, and then planting as usual.
My encouraging results are here:
http://www.srgc.net/forum/index.php?topic=14539.msg370477#msg370477 (http://www.srgc.net/forum/index.php?topic=14539.msg370477#msg370477)
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Thank you Gail. :)
Rick, thank you for sharing this. I have soaked dry Corydalis seeds overnight in water before sowing, with no germination. I try to remember your method next time!
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Thanks Maggi, Gabriela and Brian. :)
'Boyar' is an early Corydalis here (at least last year), so it would be good with late snowdrops. I don't have any snowdrop growing near it, but Brian your comment gave me an idea to plant it next to yellow snowdrops, I think they would make a good combination. :)
Another very dark coloured Corydalis would be C.wendelboi 'Abant Wine', and I have to move it this year (Leucojum vernum seedlings are smothering it) so perhaps I will plant also it next to yellow snowdrops. :)
Thanks Kris. :)
Here the winters vary very much in recent years, the coldest is usually around -25C or little colder, but mostly it is between 0- -15C, and usually with quite little snow so the ground freezes deep. Now there is about 15cm snow in my garden, but usually there is more. The winter lasts usually from early December until late March, but sometimes even until April. This year winter started already in November. Snowdrops come up in March (or sometimes earlier), and April is the main snowdrop season here. There are still nights below 0C in April but the days are usually between 0 -+ 10C, in the end they may be +15C or even more. Corydalis solida comes up usually in mid April and they flower until the second week of May, but it depends on the spring.
I think if you can grow Corydalis malkensis and solida, you can grow also snowdrops, at least G.nivalis. :) I think it is a matter of soil more than climate, after they have become established. I don't think they mind the cold winter when they have rooted well. For me snowdrops do best when they are planted dormant in the summer, between June and August, or even the beginning of September, but when I have planted them later, clearly they have not had enough time to root properly before winter and then there may have been more damage. Like Maggi wrote, try with G.nivalis or some cheaper old cultivar, and I would suggest you to choose late flowering cultivars. Early flowering cultivars may come up too early and either flower inside the snow or if there is not snow, then their leaves may become damaged by the cold (if it is very cold), but not necessarily. If you get snowdrops closer to home, then you can also try to plant them in the spring, but if you have to order them from far away and they have to travel inside a package for more than a week when they are still green, then they (in my experience) suffer. I can recommend dormant bulbs from Dryad Nursery or Avon Bulbs from UK, the latter sends bulbs later than Anne whose bulbs have done very well for me, and come in August and so have plenty of time to root before winter. Plant snowdrops in the same kind of soil as Corydalis, cover the soil with dry leaves at least for the first winter so that bulbs have enough time to root, and I'm sure they will do well for you. :)
Thank you Maggi and Leena.I will try some ordinary snow drops this year.