Preen Garden Weed Preventer Plus Plant Food - 16 lb. pail Covers 2560 sq. ft. One application feeds your plants and prevents weeds for up to three months guaranteed Safe for use around over 200 established flowers, vegetables, trees and shrubs Use anytime during the spring, summer, or fall in flower and ornamental garden beds, around ground covers, trees, and shrubs Applicator scoop included Not available for sale in CA