Green it Environmental Factor RTS Corn Gluten Weed Preventer, 64-Ounce Coverage 2000sqft Ready to spray pre-emergent weed control for a variety of broadleaf and grassy weeds such as dandelion, crabgrass and clover Works on warm and cool season grasses Patented water soluble formula for fast acting protection against new weeds in your lawn and gardens Cover more area with less product compared to granular corn gluten based products Ideal for use in lawns, flower beds and around trees and shrubs simply follow application timing for most effective prevention of weed growth, generally when Forsythia, Tulips or Magnolia bloom apply immediately Bee and Beneficial Safe