When is the best time to plant grass seed in the spring

The best time to reseed a lawn depends on the grass type. Cool-season grasses should be reseeded during late summer to early fall, while warm-season grasses are best seeded in late spring to early summer.

However, you will want to start the process of preparing your lawn – mainly killing off the grass and weeds – much earlier.

Weed killers take time to work their magic, and you need a blank canvas to reseed.

Best time to reseed cool-season grass

Late summer to early fall is the best time to reseed cool-season grass.

Cool-season grasses include the following:

You’ll want to plant your cool-season grass seeds when the soil is around 50 to 60 degrees Fahrenheit (60 to 75 degrees in air temperatures). The exact time will depend on the average temperatures in your area:

• Homeowners in northern states such as Massachusetts and Washington can plant grass as early as late August, but they’ll need to get their seeds in the ground by early October.
• Transition zone homeowners like those in Kentucky and Oklahoma will generally plant their cool-season grasses later than
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