In terms of the best plants for terrariums they should be right at the top of your list. "Fern varieties like the 'Fluffy Ruffles' fern like this one from Plantvine and the 'Lemon Button' fern are ...
Unlike an open terrarium, the drainage layers don't include pebbles — just soil, charcoal, and rocks. Here's everything you need to know about what plants work best for open and closed terrariums.