How Do You Reseed With Tall Fescue?
By the end of summer, lawns consisting of tall fescue can look thin and patchy because of weeds, disease, lack of water or mowing too short. Reseeding tall fescue will restore its health and appearance. Tall fescue is a cool season grass, and it’s best to reseed in fall temperatures. If you wait too long, seedlings will not survive the winter; also, the grasses’ roots need time to establish themselves before the heat of summer. Pull up weeds or use an herbicide such as Roundup, advises Clemson University Extension Service horticulturist Bob Polomski. Perennial weeds such as crabgrass or Bermuda grass are best controlled with herbicides. Don’t use herbicides right before reseeding, however, because this will prevent germination. Mow the lawn, using a mower on a low setting. The University of Georgia Cooperative Extension suggests mowing to a height of 1 inch to 1-1/2 inches. Use a core aerator or vertical mower, which can be rented from a garden center, to drive into the soil and break
