My name is Clark Thomas Riley, a Baltimore author and grower of Cypripediums since 1957.
I obtained the plant from Hengduan Mountain Biotech as their "Select" offering. She has a very active breeding program, which I believe automatically selects for vigorous clones. Some of the plants are likely multi-generation in cultivation. That said, this species grows in my arborvitae bed, created by surrounding a row of arborvitae with a raised bed, amended with generous quantities of Turface and Espoma Soil Perfector. The plants receive good light as the arborvitae are pruned as trees rather than shrubs, but no direct sun. If they emerge, this will be their 3rd year, and I'll give a report then. A closely related hybrid, Cypripedium Henric (macranthos x tibeticum), is in its 5th year and has gone from 1 stem to 3.Great to see C. tibeticum being grown successfully in the heat and humidity of your area. If you don't mind, it would be interesting to know how you do it.
Most by species are in raised beds. By number, my 150+ Cypripedium pubescens are in open ground under tulip poplars with companion plants of bloodroot and twinleaf.Welcome, Clark!
Are all of our cyp grown in this type of bed?
Welcome Clark! Happy to have your life long institutional knowledge and experience here. There are skilled growers across many genera on this forum, looking forward to your posts.My name is Clark Thomas Riley, a Baltimore author and grower of Cypripediums since 1957.
Fantastic. I look forward to your update this spring. By the looks of the temperatures the Atlantic coast has been having, spring isn't that far away!I obtained the plant from Hengduan Mountain Biotech as their "Select" offering. She has a very active breeding program, which I believe automatically selects for vigorous clones. Some of the plants are likely multi-generation in cultivation. That said, this species grows in my arborvitae bed, created by surrounding a row of arborvitae with a raised bed, amended with generous quantities of Turface and Espoma Soil Perfector. The plants receive good light as the arborvitae are pruned as trees rather than shrubs, but no direct sun. If they emerge, this will be their 3rd year, and I'll give a report then. A closely related hybrid, Cypripedium Henric (macranthos x tibeticum), is in its 5th year and has gone from 1 stem to 3.
I grow a couple of them in Levis, just outside of Quebec City, and that with relative success. I did buy a tibeticum and a flavum from Mrs Perner when she was last in Montreal. The following Spring, only the tibeticum flowered, and the following Spring, neither returned.View attachment Cyp tibeticum.JPGHere are two of my favorites, Cypripedium Christian and Cypripedium tibeticum.
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