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in Tools and techniques
Most potted tropical foliage plants for indoor use are grownin peat-based media, usually sphagnum peat. Sphagnumpeat has desirable characteristics for use in soilless growingmedia including high cation-exchange and water-holdingcapacities, a structure that allows good aeration, and resistanceto decomposition. However, peat is difficult tore-wet after it dries and when wet provides an environmentthat is conducive to fungus gnat development.