Governor G Granular Plant Growth Regulator is designed to reduce grass growth by up to 50%, allowing for less mowing and maintenance. The product works by redirecting grass growth energy into the roots, promoting lateral growth. This redirection of energy results in the improved health, density, durability, and color of your lawn. Providing results in as little as five days, this professional-grade, easy-to-apply granular formulation is effective on both cool and warm season turf.