Formulated specifically for sunny and shady lawns in Pennsylvania. Spreads to repair thin or bare spots. Water Smart technology holds water which enables seed to germinate faster and helps to prevent the seed from drying out so you will use less water. Absorbs 100% more water and keeps seed moist 2X longer than un-coated seed. Stays green even in extreme conditions of dense shade or scorching heat. Grows in thick and fast to keep out dandelions and crabgrass. 99.9% weed-free. Can be used for seeding new lawns or repairing an existing lawn.