Sta-Green Houseplant & Tropical Potting Mix Sta-Green Houseplant & Tropical Potting Mix is a lightweight, well-draining mix designed for potting and repotting tropical, foliage and flowering houseplants. Formulated with Canadian sphagnum peat moss, composted bark fines, and horticultural perlite, it provides optimal drainage and aeration for strong root development and a wetting agent to ensure proper water dispersion within the mix. Sta-Green Houseplant & Tropical Potting Mix is also enriched with Sta-Green Plant Food that gets houseplants of to a great start. Sta-Green Houseplant & Tropical Potting Mix is available exclusively at Lowe’s in 10 qt size.