We are working on our lawn too. Based on my reading, fall overseeding works
better than spring overseeding, especially if you live where summers get
scortchingly hot and dry. You can start with weed control- i.e. use
selective weed killers. In addtion, sometimes, yellow grass is caused by
pests, such as grubs. You should apply some pest control this year. When
fall rolls in, do an overseeding. In fall, new grass encounters less
competition from weeds and the roots can establish during the cool f