Q. Do you must rake in grass seed? When you finally distribute the grass seed, use a rake to work it into soil, but only to about ¼ inch. Don’t drive the seed down too deeply or protect it that has a thick layer of mulch that should block mild. https://www.no-bs-yardwork.com/blog/no-bs-yardwork-becomes-the-best-spring-clean-up-company-in-winnipeg