Next Up 15 Popular Terrarium Plants By: Paul Cox Craft tiny gardens with these favorite terrarium plants. 1 / 15 Friendship Plant Pilea involucrata grows 6 to 18 inches tall and blooms in red. Friendship plant prefers moist soil and full shade to partial sun. More photos after this Ad 2 / 15 Watermelon Peperomia Peperomia argyreia features lovely green and silver variegated leaves. Plant in moist conditions. It grows from 6 to 8 inches tall. More photos after this Ad 3 / 15 Artillery Plant Pilea microphylla can grow up to 24 inches tall and spread up to 36 inches. It grows well in full shade to partial sun. More photos after this Ad 4 / 15 Mother Spleenwort Asplenium bulbiferum prefers moist, well-drained soil and full shade to partial sun. More photos after this Ad