Gin, I REALLY am sure temps are NOT the trigger. I have spent time in Viet Nam (one of the areas these orchids grow naturally) and cold temps are not the norm - cool, yes, but not cold) I am pretty-well convinced it's the dry spel and then the increasing daylight length they respond to. I am willing to put up a culture sheet to this effect. That's how sure I am. I've gone periods ignoring this advice with no blooms. Now I get yearly blooms without fail.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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