| It depends on what your drainage system is. If you can drain runoff in a resevoir, and not just leave it sitting at the bottom level of the terrarium then you can plant most orchids. If not, then I would suggest using baskets, like those available at blackjungle.com, and plant above a 1-2 inch layer of pebbles, followed by coco fiber or moss. The layer of pebbles would act as your "resevoir" for runoff and would protect the roots of whatever plants you decide on. The baskets allow for maximum drainage and make for easy removal. |