When to Sow – Early fall is the optimal time to plant grass seed in New York (mid-August to mid-September). Warmer soil temperatures (between 60 and 70 degrees Fahrenheit) and steady precipitation at this time of year promote quicker germination and deeper roots.
How early may grass seed be planted in the Northeast?
The optimal time to sow grass seed in the Northeast is – Mid-August to mid-September is the optimal period to sow fresh grass seed in the Northeastern United States. This is why: The combination of warm days and chilly nights is ideal for seed growth.