In Northern Virginia the turf grasses in most lawns are “cool season” grasses, a name that reflects their preference for cooler temperatures. When cool season grasses like Kentucky bluegrass, fine fescues and perennial ryegrass experience temperatures in the 90’s they stop growing, lose color and are prone to diseases and insects. High heat, humidity with little air flow unfortunately creates a terrific environment for fungal diseases to flourish.
#1 Water only in early morning.
This will give time for turf to dry, and help decrease the chance of the turf diseases.
#2 Keep your mowing height on taller side.
This helps keep your grass cooler. Our crews adjust mowing height to….
#3 Adjust expectations.
Your lawn will be stressed while hot weather continues. Cool season lawn color and vigor will return, once the soil cools and humidity drops.