Give your potted plants a head start with Natural & Organic Potting Soil Plus Fertilizer from Black Gold! Key Product Features Ideal for all container-grown flowers herbs and vegetables Enriched with earthworm castings perlite pumice and organic fertilizer OMRI listed organic Perlite and pumice are added to ensure optimum pore and air space for sturdy growth Rich loamy mix is one of the best for all gardening applications Black Gold 16 QT Natural & Organic Potting Mix Rich Loamy Mix Is A Premium Choice For All Purpose Gardening Applications Our 100% Organic Base Consists Of Screened Earthworm Castings Canadian Sphagnum Peat Moss Compost & Forest Humus We Blend In Perlite & Pumice To Ensure Optimum Aeration Listed By The Organic Materials Review Institute OMRI For Organic Production Now Contains Resilience- Sun Gro s Brand Name For Patented Growing Mixes Enriched With Silicon For Stronger Stems & Improved Root Mass.