Triblive.com reports on the popularity of terrarium-making classes in the Pennsylvania area, citing the appeal of monitoring a miniature ecosystem right from your desk. The author also cites a helpful list of plants best suited for terrarium life:
"Plants that work best are those that require low to moderate light, do well in high humidity and can be easily pruned. Ferns, tradescantia, pilea, alternanthera and cryptanthus work well. Begonias and African violets are nice options for added pops of color. Club moss makes a nice ground, and ivy and creeping fig can help round out the look."