Espoma Organic Spring Lawn Food For All Grasses 5000 sq ftEspoma Organic Spring Lawn Booster with extra calcium helps the lawn develop a deep green color. For use on all lawns including newly seeded and sodded areas when used at the feeding rate. Apply to a dry lawn that has recently been mowed. Use a drop or broadcastspreader and be certain to overlap slightly to prevent striping. Water lightly after the application if rain is not expected within 24 hours. With calcium to strengthen the lawn and protect