I am trying to find the name of the green material that is spread over recently excavated soil to cover it until grass can grow an
It is too late to reseed now! Thank you!
Certified GKH Gardening Expert
This is a germination blanket, or also sometimes called a lawn net.
When to seed is mostly determined by the type of grass that you intend to plant. Cool season grasses are planted in Autumn, and warm season grasses are planted in Spring.
This article will give you more information: https://www.gardeningknowhow.com/lawn-care/lgen/overseeding-information.htm