Re: Exo Terra 24 x 18 x 12
I’d recommend not putting in the ficus pumila, it worked for me for about a year but then the mat was so thick that it started killing itself off. Use the oak leaf variant. You might have also underestimated the space needed for false bottom/substrate but I’m not sure.
Some of my favorite plants are rabbit foot fern, Korean rock fern, pilea glauca, and African violets. All of these are widely available and grow well in terrariums. Best of luck on your build.