DTE Bio-Turf 8-3-5 is an organic fertilizer that was developed for lawns, but its nutrient rich, slow-release formulation allows it to be used in virtually any gardening situation. This granular fertilizer has a generous dose of nitrogen (N), which will boost early season growth and help leafy plants green up. DTE Bio-Turf also has a significant level of potassium (K), which encourages deep root development and growth while reducing seasonal stress, water requirements and thatch issues in lawns. OMRI Listed & CDFA Registered Excellent choice for heavy feeders in the vegetable garden (corn, tomatoes, leafy greens) Can be used on all types of turf, lawns and grasses. Shop All Down to Earth products here .