Sunshine Pro Premium Potting Soil Enjoy the benefits from purchasing a potting soil manufactured by a true Horticulture  company when you buy Sunshine Pro Premium Potting Soil. A superior potting soil suited for indoor and outdoor containers, hanging baskets & raised beds. This all purpose potting soil is ideally suited for both indoor and outdoor use. The premium quality ingredients include Canadian Sphagnum peat moss, processed bark, aged compost, perlite, and a starter nutrient charge.