Quote:
Originally Posted by ElliotLi
Yes.
I have a Cym. ensifolium from Asia that I'm wintering inside.
I also have a Cym. Chuleewon's Christmas '#1' from Southeast Asia, which is supposed to be a Cym. ensifolium, Cym. sinense, and Cym. insigne hybrid. I think all these three are somewhat sensitive to cold.
My other ensifolium hybrids have unknown lineage, so I just put them inside just to be safe. When I have more divisions I can try to overwinter them outside for a test.
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I don't think Cym insigne is sensitive, but ensifolium and sinense are, so you're quite right to protect it. I think you can go somewhat by the "look" - if they look more like Asian Cyms, probably on the fragile side. If the other parent is a standard, the flowers are bigger, and probably OK. If you are in zone 9b you probably have to be a little more careful than I do... I'm in 10a. I do get the occasional frost (my Cyms and the rest of the orchids got through the freeze of 2007, not as cold as it was in Solana Beach but about a week of nights down to 32 deg F) A lot depends on what happens during the day... if it warms up, it is amazing what orchids will tolerate. And that is the usual pattern... when it is cloudy, it is not as cold.
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