What to Do With the Summer Lawn

— Written By Donna Teasley and last updated by
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During the hot summer months there isn’t much you can do to a cool-season lawn except mow it and keep the weeds at bay. Lawns are stressed during hot weather and in many years our late summers turn off dry which increases turf grass stress. The most important thing to take away from this article is that fertilizing the lawn during hot weather isn’t going to help things at all.

Grass goes dormant at around 90 degrees and this a self-preservation technique to keep cool-season grasses alive in extremely hot weather. It stops growing, which makes water needs much lower. It doesn’t look great during these times but it will quickly perk up when cooler weather arrives. When properly fertilized during February and early March, the lawn is set up to withstand most extreme weather conditions.

A complaint that I get during the late summer is that the lawn looks off-color and not as green as it was during the spring. This happens when a plant goes dormant. It also stops taking up nutrients and some of the nice, green color is sacrificed. But there is a little trick that can temporarily solve the off-color problem. The use of a liquid chelated iron product will green up a lawn for about 2-3 weeks without causing growth. By using a liquid product, the mineral is taken in through the leaves and works quickly. It can be re-applied as needed. You can find granular forms of these products, and they work, but not as quickly.

There are numerous chelated iron products available and any one of them should take the “dog days of summer” out of the lawn in a hurry.

Written By

Donna Teasley, N.C. Cooperative ExtensionDonna TeasleyExtension Agent, Agriculture - Horticulture Call Donna Email Donna N.C. Cooperative Extension, Burke County Center
Updated on May 24, 2019
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