Some “terrarium plants” sold at nurseries that don’t ... This keeps the surplus water reservoir away from the roots, since there is no outlet to drain it away. It will eventually evaporate ...
Bury your plant into the soil you've added to the terrarium. (You may need to use some long tweezers to do this). Finally, add some water to it to keep the soil moist then seal the jar.
He watched them grow for four years, during which time not one drop of water was added, nor was the cover removed. This led to development of "Wardian Cases," which were large, enclosed containers for ...