A few notes on Neomoorea wallisii (syn irrorata) as I've been growing it for awhile and just noticed today that mine is in double spike. It's a bit of a fallacy that Neomoorea is a deciduous plant- that's not exactly accurate. They do have a tendency to defoliate older pseudobulbs as they get big, but my plant has held on to it's leaves from the past 3-4 growth cycles. I perceive that humidity is key- mine rarely drops below 75% RH and is often higher. They need a diurnal range of 10-15 degrees and also a short and hard winter rest, reducing water for 4-6 weeks in mid-winter (Dec-Jan) and watering just enough to keep the Pb's from shriveling (similar to good culture for Peristeria elata.)
Hope this is helpful, and I'll try to figure out how to post photos by the time mine is blooming...
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