Jack's Classic All Purpose Fertilizer, 20-20-20 with Micronutrients and Plant Food, 4lbsBrand: Jack's Classic Color: 1 Pack Features: Jack's Classic 20 20 20 All Purpose 4 lb. bag is considered the industry standard of general purpose fertilizers by professional growers and feeds both through the roots and the leaves Includes a formula containing nitrogen, phosphorus and potassium providing a fast green up and rapid leaf expansion for use on all indoor and outdoor plants such as bedding plants, container plants, trees, shrubs, vegetables