How Warm Must it Be to Plant Lawn Grass Seed?

Warm season grasses require 65 to 75 degree Fahrenheit soil temperatures for the best seed germination, according to Virginia State University extension. Grass establishment is suitable well into summer, provided adequate irrigation is available to support healthy growth. Cool season grasses are sown in late summer to mid fall, depending on the regional climate, while soil remains warm.

Keywords: lawn seed establishment, lawn seed temperatures, temperature lawn seeding

About this Author

Marie Roberts is a freelance writer based in north central Florida. She has a B.S. in horticultural sciences from the University of Florida. Roberts began writing in 2002 and is published in the "Proceedings of the Florida State Horticultural Society."