Best Time Of Year To Sow Grass Seed. It is possible to plant grass seeds in Tennessee in the spring between late February and early April but cool-season grass seeds such as Jonathan Green Black Beauty fare best when planted in the early fall late August to mid-October. If you are wanting a new lawn youre likely impatient to start but the key to success is knowing the best time to sow grass seed.
The summer is too hot and dry. If you want to plant cool-season grasses spring seeding is the best option. In summer the heat stress experienced by the new grass will result in browning off and the amount of water required to keep your new lawn growing will be huge.
You can improve the success by top dressing with 14 to 12 of compost or good weed free soil.
When you should sow grass seed. Generally speaking most people overseed or seed a new lawn in the month of. Youre likely to get warm temperatures and plenty of rain. The best time to do it is between late summer and mid-autumn.