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Cultivation Problems / Re: Pest Problem
« Last post by ArnoldT on Today at 03:26:49 AM »

I've had the apples in my little suburban espalier garden in New Jersey for over 30 years.  Our greatest challenge is pollination.  We rarely see bees these days.  Our local County government decided that we needed the entire are sprayed for mosquitos so they drove a  truck up and down our streets spraying a very toxic   pesticide to anything that flies.

I get relative small fruit set these days.  Plenty of flowers.  This year the Caville Blanc set no fruit.  I purchased  the trees from a espalier tree dealer out at the end of Long Island.  He sells whips and some already trained trees.  I believe he may have Cox's Orange.  https://www.henryleuthardtnurseries.com/  He apparently is responsible for the pollarded London planes at the UN in NYC.

Our summers are hot and wet which may be to liking of the Cox's Orange. I've adopted a strict organic approach to pest control.

Use Spinosad, Neem and BT for most of the issues that come along.

There is a web site run by Cornell University that lets you know the pest stage so spraying has a maximum effect.  You plug in the nearest airport and it will give you degree days and stages of the pest and when to treat.

Second problem is that our local squirrels take fruit and runs off with it.  I have solved that problem with a remay sack I put over the fruit when it gets big enough.  There's even a twist tie on the top of the bag to allow easier fixation.

My real treasures are the pears.  I have a number of espalier Passe Crassane, Beurre Grifard and Magness.  The Magness was introduced in the 60's and does very well here.

Flowers and Foliage Now / Re: June 2022, Northern Hemisphere.
« Last post by Robert on June 28, 2022, 11:53:50 PM »
Many Lilium bulbs are quite good to eat, too.  I've tried the flower buds, buy much prefer Daylilies.  I am especially partial to the open flowers of Hemerocallis citrina, and the inferior ovary that looks like the flower stem is the best part!

This is my Lilium 'Louise'.
(Attachment Link)

It appears neither of us have the real deal, according to the RHS Lily Register
(Attachment Link)

Hi Rick,

Dahlia tubers are edible too. I have never eaten any. I will give them a try sometime. I generally have plenty of extra tubers in the autumn. I have eaten lily bulbs. I guess it is good to know that they are edible, however I was not impressed by the flavor. Daylilies are much better.  :)

All my Lilium 'Louise' are hybrids with Lilium henryi. They date back to the 1990's when I was doing a lot of lily breeding. I will have to see if I can find the records on these hybrids. Right now I have time to work with Oriental Lilies. My goal is to
'go backward' to create tough disease resistant plants that look much more like a wild species. Lilies for the cut flower trade is not my thing at all.
Cultivation Problems / Re: Pest Problem
« Last post by Robert on June 28, 2022, 11:39:37 PM »

Thanks,  I will have to try and research the root stocks on the apple trees I have.  They are all grown as a Belgian fence espalier.

I have Cox's Orange Pippin, Esopus Spitzenberg, Arkansas Black  and  Calville Blanc d'hiver.

Hi Arnold,

Cox’s Orange Pippen Apple does poorly in our Placerville orchard. This variety seems to dislike the hot, dry summers. Higher on the mountain, about 3,500 feet elevation, orchardists seem to have much more success with this variety (they have much cooler summers).

I have not grown Esopus Spitzenburg since the 1980’s. We always fall budded a few trees for retail sales and they seemed to sell on name recognition.

Arkansas Black is one of our favorite apple varieties. I have one tree in the Placerville orchard that has been producing heavy crops most years for more than 30 years. We let the apples hang on the tree until early November. A light frost on the hanging fruit seems to bring out the best favor. They store extremely well in cold storage or a cool, frost-free location. I grafted a tree for one of our Sacramento neighbors about 10 years ago. This tree is producing apples now. We still have enough winter chilling hours for this variety to set fruit in Sacramento. Based on my observations and comments for other farmers in the Central Valley of California adequate chilling hours is becoming an issue with a number of nuts and fruits, especially in the San Joaquin Valley.

Calville Blanc d’hiver is a fabulous apple variety. Currently we have one tree at our Sacramento home. It produces divinely flavorful apples consistently every year. Currently the tree is loaded with apples. I will be grafting more to plant in Placerville. The fruit seems to hold well in cold storage, however they rarely hang around long after picking.

If you feel inclined, I would love to hear about your observations and opinions on the fruit trees in our garden/orchard.
Flowers and Foliage Now / Re: June 2022, Northern Hemisphere.
« Last post by kris on June 28, 2022, 04:47:16 PM »
Two plants that flower now in the garden
1.Allium carolinianum
2.Cypripedium regina alba
Flowers and Foliage Now / Re: June 2022, Northern Hemisphere.
« Last post by Graham Catlow on June 28, 2022, 02:22:00 PM »
Visited Bo’mains Meadow today to see the Greater Butterfly Orchid, Platanthera chlorantha.
This is a meadow managed by The Scottish Wildlife Trust and is on the outskirts of Bo’ness and a five minute drive from my home. The Northern part of the meadow is a former reservoir that has been filled in. The Southern part has been undisturbed for many years and has the main population of this butterfly orchid.
The meadow is grazed during the winter by Shetland Cattle and sheep.

The Southern Meadow

Butterfly Orchid with the Common Spotted Orchid
Latest IRG Index,  incl. for IRG150, online  now  from Ashley - many thanks, Ashley -  at this  link ....

Ashley's getting some well deserved time off next month, so the next index will be delayed - be patient!!

Cultivation Problems / Re: Pest Problem
« Last post by Palustris on June 28, 2022, 10:27:39 AM »
Not sure this would be any use on trees, but it did work on plants in pots.
Neudorff 250 ml Pyrol Bug and Larvae Killer
Alpines / Re: alpine and subalpine Plants from New Zealand
« Last post by MarcR on June 28, 2022, 08:13:47 AM »
" Ranunculus piliferus photos from Mountain Man Dave!"



David Thank you for your beautiful photoraphy.  It took me a while to find this thread.  I am amazed at how much your mountain Landscapes resemble our Syskiyou range in southern Oregon and Northern California.
Cultivation Problems / Re: Pest Problem
« Last post by Vinny 123 on June 28, 2022, 07:29:59 AM »

Cox Orange Pippin is a very uncommon apple!

The only nursery I am aware of that sells it is Trees of Antiquity, in Paso Robles, CA. [formerly Sonoma Antique Apple Nursery, in Santa Rosa].

They grow theirs on MM111.

Cox are uncommon outside of commercial orchards, even in the UK - they are susceptible to every disease known to man, plus other problems. They are grown because of their unique and very popular taste.

What I suspect is either a cross or selection of Cox' Orange Pippin is grown in NZ and shipped to the UK when our stocks are out of season - it looks very similar, slightly glossier, but the flavour is very poor.
Flowers and Foliage Now / Re: June 2022, Northern Hemisphere.
« Last post by Stefan B. on June 28, 2022, 07:08:23 AM »
It blooms beautifully now in my garden. :)

Petroselinum crispum (Parsley)
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