I leave this orchid outside in almost full sum from after thanks giving to when I see spikes, usually late March.
I don't water it at all, but winter is our rainy season, so I let it rain on.
Min temp usually upper 40s or 10c. They don't mind as long as dry. I do think the lower temp does help. I grew an agrregatum and kept winter nights 50s to almost 60. It never flowered well for me. Now it is recovering and getting dry winter rests. Hopefully next season.
Andrew
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