Weed Prevention Plus 8-2-4 pelletized formula with corn gluten meal stops weeds where they start. Weeds' roots never get a chance to develop, so new weed seedlings die quickly. Corn gluten effectively controls crabgrass, dandelions, clover, and many more. Formula comes in a re-sealable easy-to-use shaker bag, and works well in flower gardens, on landscaping, around trees and under bird feeders. Weed Prevention Plus is safe, and will not harm children or pets, even immediately after application. All-natural formula prevents weeds and worry. 25 lb bag.