Expert Gardener Lawn Food Fertilizer Plus 2% Iron,14 lb., is a premium lawn food for any type of grass. Covering 5,000 sq. ft., this is a high analysis fertilizer containing slow-release nitrogen to give your lawn a vigorous green color. It is a safe formulation that will not burn your lawn when used as directed, yet it is long-lasting and will gradually continue to feed your lawn for as long as 3 months. Since it has a high nitrogen content, it goes much further than conventional fertilizers. Also formulated with 2% Iron for even deeper greening. You may apply anytime during your lawns active growing season and always ensure to apply evenly over dry grass. For best results water, the product thoroughly with either rainfall or irrigation after application. You can expect to see results in the form of a greener lawn approximately 7 days after application on all grass types.