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Trillium

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kalle-k.dk:
One of the species I have collected in a couple of years is Trillium. I have looked several of times after those the have double flowers. I know they are extremely rare, but I am wonder why I not only can find one of them. Many sites on the net descript Trillium ovatum “Barbara Walsh” and therefore I can not understand why it still is so rare, today where there are so easier to propagation with help of meristem. I know there in Japan are some double forms of T. camschatcense, but I have never seen them offered for sale. There are several forms with names of Trillium grandiflorum, one of them are T. gr. “Charles O. Rhodes” found by Rhodes in the 1920, so many year and still rare???  I am also looking after other Trillium some not are on there ordinary marked, for example T. chloropetalum “Val Mulvihill” I hope there are some on the forums who can help me.  

Karl Kristensen
Denmark
www.kalle-k.dk

Maggi Young:
Hello, Karl, welcome to the forum.
I understand your frustration in trying to source some of these Trillium. Many have the same difficulty.
Some forms just do not set much seed, or do not come true from seed and vegetative propagation is never that fast. I do not think that meristem or its equivalent are being used much on these plants, though others may know more.
Sometimes, of course, there is the case of people with rare plants wanting to keep them just like that, rare! Luckily there are not many of those here in this forum, those people tend to keep quiet and rather secret!

Tim Orpin:
Hello Karl,

Trilliums are definitley one of my absolute favourites. I suspect that they are even harder to come by down in Australia than in Europe. One day I hope to change that.

As the majority of double trilliums can only be vegetatively propagated, they are hard to produce in any numbers. Added to this, trilliums are generally grown by enthusiasts and have not made it to large scale commercial production. Hopefully this will change in the near future. Other than Barry Sligh in New Zealand, I am not aware of anyone propagating trilliums by tissue culture. I agree that this would be very interesting to explore for doubles and other select clones. There are some magnificent T. chloropetalums out there that are very worthy or mass production. If anyone has experience with trillium tissue culture, I would love to hear from them.

T. choropetalum 'Val Mulvihill' is a magnificent plant that came from Val's garden. There are a few divisions of this around in private collections but it is exceedingly hard to come by. Val was very generous in giving away plant material to the point where the mother plant was badly weakened and she nearly lost it. At the moment she is giving it time to recover.

Tim

kalle-k.dk:
Thanks to Maggi and Tim for your answer.

I know the double forms of Trillium are rare and not frequently offer for sale, but I can not understand why, I know they not can propagated from seeds and I also know it take times to propagate them vegetative, but I have looked on Carl Denton’s website www.trilliums.co.uk and here can I see many of the double forms are several years old: T. g. “Jenny Rhodes” founded by Mr. Frank Rhodes in 1971, it is not a full double form. Mr. Rhodes found a full double grandiflorum in the 1920, called “Charles O. Rhodes” and T. grandiflorum “Julia” was founded for 50 years ago. T. g. “Smith`s double and “Snow Bunting was founded for over 50 years ago and the a both ordinary nurseries plants today. I have looked for T. ovatum “Barbara Walsh” in long time, without luck, it was founded in 1957.
Many of those Trillium on Carl`s site has a name “Eco” They com from Eco-Gardens in Decatur, Georgia USA, maybe they sale Trilliums, I don’t know, but I know it is very expensive to get plants from USA to Europe, so I hope the are some who read this the can help me to find some of these rare Trillium in Europe

Karl Kristensen
www.kalle-k.dk

gmoen:
Hi Karl

I have been growing a double form of Trillium grandiflorum for several years. The growth was extremely slow, but I learned a metode from a friend of mine. So from this one plant I managed to get around 30 plants in just a few years. So if this plant will do, for sure I will help you out with a double form of Trillium.

Geir

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