All-natural Weed Prevention Plus (8-2-4) is a pelletized pre-emergent formula with corn gluten meal to stop weeds where they start. Apply early in the growing season to prevent weed seedlings from developing. Corn gluten effectively controls crabgrass, dandelions, clover and much more. Formula 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. Apply 5 pounds per 250 square feet.