Scotts Turf Builder Lawn Food - Lawn Food with Moss Control Fertilizer, 5,000-Sq Ft Kills moss and thickens grass to fill in bare spots Apply anytime moss is present and actively growing For use on all lawns and grass types Improves lawn's ability to absorb water and nutrients versus an unfed lawn Apply during winter or spring when moss is actively growing Not sold in FL,MD,NH,NJ