Burpee Eco-Friendly Natural & Organic 16 quart Seed Starting Mix is specially formulated to help you grow the best garden ever. Burpee Seed Starting Mix is eco-friendly because it is made primarily of coconut coir, a renewable and sustainable resource made by recycling the husks from harvested coconuts. It has a neutral pH ideal for starting most vegetables, flowers and herbs from seed. Burpee Seed Starting Mix is enriched with Burpee Natural and Organic Plant Food for better seed germination. It is also OMRI Listed for use in organic gardening. Loved by Gardens, trusted by Gardeners.