Either leave the terrarium open to the elements or close it up with a stopper. If you aren't a botanist, it isn't immediately ...
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.
I spoke to a plant expert about terrariums vs houseplants. She gave me the key differences, and how to work out which is best ...