FWIW, I move most of my Oncidium class orchids away from the bright sunlight after they have set the spikes. For instance my Bllra Peggy Ruth Carpenter is about to bloom and has two more spikes developing (pictures to come - I am sure!) I normally grow this in full sun in a south window, but have moved it to the back (about 24" away from window) for spike developement. This seems to work for me. BTW the position is about same foot-candles as for Phalenopsis blossoming (500-1000).
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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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