@elliotshimizu The only plant I've tried in semi-hydro that hated it was Dischidia vidalii (syn. D. pectinoides). Good luck with the Cymbidiums! I don't have any yet.
Ooh I looked up D. vidalii, and the pictures of the leaves reminded me that I've read about this one in a blog: http://www.indefenseofplants.com/blog/2018/4/2/vines-that-house-ants
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