The potting soil has everything your plants need, in one bag. A powerhouse blend of premium earthworm castings, bat guano, and Pacific Northwest sea-going fish and crab meal. Composted forest humus, sandy loam, and sphagnum peat moss give its light, aerated texture. Start and watch your plants come alive! Perfect for containers and ready to use right out of the bag. PH adjusted at 6.3 to 6.8 to allow for optimum fertilizer uptake. There's no need for nitrogen fertilizers at first; instead try a blend like this to encourage strong branching and a sturdy, healthy growth habit.