Jonathan Green Corn Gluten Weed Preventer

Jonathan Green Corn Gluten Weed Preventer plus Lawn Food feeds the lawn while preventing crabgrass, dandelions, and over 25 other broadleaf and grassy weeds. For optimal results apply early in the spring- between March and early May- before weeds germinate. For improved weed control and greening apply up to 4 times a year, in early and late spring and again in early and late fall.