This moss is a also great variety to keep in your terrarium, as it is acrocarpous, which means it grows in tight clumps,' says Lotte Berendsen, a certified botanist from the PlantIn app.

of sphagnum peat moss. This layer acts as a barrier to keep the potting mix from sifting into the drainage material. Add 2 to 3 in. of potting soil. This will be your terrarium’s thickest layer ...

Add a small handful of activated charcoal into the Terrarium. This helps to filter and purify the water and stops it from smelling. Next, you need to add some moss. This acts as a barrier to stop ...