Growing a tall fescue lawn the correct way reduces potential problems later on.
Fertilizing tall fescue in September and November is the most important time. Fertilizing in March or early April promotes excessive growth that increases mowing and encourages disease and weeds. Delay fertilization until top growth slows in May. Then apply a slow-release nitrogen source, which keeps grass from growing too fast as hot weather approaches. Too much top growth prevents root growth needed to withstand summer stresses. If fertilizing only once a year, do it in September to thicken the lawn and promote root development. A November fertilizer application helps lawn stay green longer and encourages it to green up earlier in the spring.
Fertilizing Schedule for Tall Fescue
Nitrogen carrier Amount*
September Soluble or Mixed 1–11⁄2 lb. N
November Soluble 1–11⁄2 lb. N
May Slow release 1 lb. N
*pounds of actual nitrogen (not product) per 1,000 square feet
