Public gardens and nature centers are great places for moss gardens. In every one of them exists shaded areas either as understories of trees or as shaded areas under bushes and plants. A large moss garden takes some planning see
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The common fern moss Thuidium delicatulum! An easy to grow moss but not commercially available yet. Notice the young sporophytes next to the penny. At maturity they will have spore capsules. Again fern moss is growing on an invisible artificial mat system.