Non-orchid, orchid fertilizer safe companions
A little off topic, but this seems like the right place to ask...
I built an orchidarium a few months back, and mostly my orchids seem happy in it. It is about 40"W x 40"H x 21"D. I only have about a dozen orchids in there at the moment. I plan on adding more, slowly, expensively, over time. I'm going for a lush, tropical look but am having trouble finding inexpensive filler plants that will thrive in there. I keep the humidity levels at 70-80% and have areas with both bright and low light. There is good ventilation. I do have pots built into a background that are filled with soil, so they could be epiphytes or terrestrial.
The big issue I've had is I've killed some of the other plants with orchid fertilizer. I use a very weakly prepared 30-10-10 solution weekly. I haven't sprayed the non-orchids directly, but it is bound to drip on them because of the way things are set up. I've burnt up two types of fern and two types of ivy. Plus a couple other misc things from big box hardware stores just didn't make it. Very sad....
Any suggestions on companion plants that would thrive in these conditions?
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