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Originally Posted by fred  all I can say to that is kevin
come to Tasmania and see if you can grow them. do you honestly think they survive in temperatures like we have here 32F and less |
Let me clarify. I know Tassie is cold, near and below freezing at times so in order to keep your nobile-types from being killed off you need to give them a little heat in the winter. But the fact that you have to give them a little heat doesn't make them "warm growing" orchids. A nobile-type still needs the 50F (10C) or so temps, which makes them a "cool growing" orchid. In other words, it's not what part of the world you're growing them or whether or not you have to give them some heat in the winter to keep them from freezing that makes them warm, intermediate, or cool growing, it's what the plant wants/expects.
In Michigan where i used to live all orchid growing is done with heat at some point in the year, yet that doesn't make the Draculas, Masdevallias, or nobile-type Dens grown in Michigan "warm growing" orchids.
See what I'm getting at? When orchid people talk about growing warm, intermediate, cool, or cold they're refering to ideal temp ranges for those plants not whether they're using heat in the winter. Make sense?