I know of several nurseries that use perlite purely as the only medium. One nursey uses it for Cymbidiums and they seem to grow beautifully, whilst a couple of others use it for cattelyas and again I am surprised by the results. I wouldn't use it solely for all my plants but I have to say it is a cheap medium that would be effective for some genera.
I am about to repot the ones I have in perlite into either coconut or bark but I sometimes wonder why when they grow so well in the medium they are in, even in cold weather.
Just as a final note, for my small seedlings just out of flask, I use fine bark and perlite (about 2 to 1) and this works well for paphs and catt's.
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Hybrid Mode
