Starting from seed takes a lighter mix, like ferti-lome Organic Seed & Cutting Mix. Use it for planting seed or plugs and rooting leaf or stem cuttings. Seed & Cutting is a finely milled seed starting soil. It includes Canadian sphagnum peat moss, horticultural perlite, dolomitic limestone and calcitic limestone, which is perfect for delicate new plant starts. This premium mix provides a good balance between moisture retention and air circulation. OMRI Listed for organic gardening. Ready-to-use 4 dry qt. bag.