My primary issues are with genus that require high humidity. I live in a semi-arid climate that gets intense sun year-round, even when it’s well below freezing. I’ve been experimenting with how to get humidity up for dendrobium spp, vanda types, oncidium spp, paphs, and miltoniopsis. I have an indoor greenhouse structure with humidity tray and fan that works well for the heat tolerant orchids, but I can’t put my “cloud forest” orchids in there. Humidity trays larger than the diameter of the pot only get me up to ~50% reliably. Any other humidity increasing tricks you can offer? Oh, I use the RePotme oncidium mix with sphagnum moss over top.
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