Can we talk about moss being the best greenhouse cover? I called it a gimmick for 2 years

Aaron Fisher · 2026-10-20T08:00:03.376569+00:00

I used to laugh at the guys lining their terrariums with live moss instead of just using potting soil, until my fern tray dried out twice in one summer here in Spokane. Swapped in a sheet of sphagnum and the humidity stayed so steady I stopped misting every morning, and the roots are way happier. What's your go-to ground cover for keeping moisture in, or am I the only one late to this?

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Can we talk about moss being the best greenhouse cover? I called it a gimmick for 2 years | Botany Lovers - Rigidtalk