Thanks folks. I know some orchids like Bulbophyllums, pleurothallids, etc appreciate the extra moisture when mounted but I've seen my pal Jerry at Orchids Ltd growing many of his Vanda/Vanda related plants on big wire hooks with no mount or substrate. The roots are sometimes as long as I am tall. So I was just wondering if Sphagnum on these types of orchid would lead to rot or something else undesireable.
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