Prevents crabgrass and grassy weeds from germinating and allows you to seed on the same day without injuring seedlings * Feeds new seedlings gently and longer with 20 percent controlled release nitrogen * Use as an alternative to the 1st application in our 4-step annual lawn care program when seeding in the spring * Requires much less chemical in a clear, non-staining, odor free formula * Smaller particles provide better weed control