Yes, Sydney. Drainage is a must, unless you're extremely careful with watering. I use a couple of inches of clay pebbles for drainage, then do plants on top of it.
This tank, I used pea gravel as it was cheaper
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Originally Posted by Sydney
As an absolute beginner, I have a very basic and fundamental question: should a terrarium have drainage holes in the bottom? Won't the water stagnate in the base layer (I'm planning to use expanded clay balls "hydroton" and install a small fan for circulation).
Also, with regard to terrestrial orchids, can they be planted directly into the substrate - or is it best to place them in plastic pots, which can then be disguised with sphagnum.
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