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Posted on August 7, 2020 by
For most of us, summer is not a season of stress. For lawns though, it is. Consistent hot and dry weather over a long period of time can lead to heat or moisture stress, which can cause your lawn to turn brown and even invite a variety of weeds and lawn pests. Heat stress can be compounded if the area you live in is currently experiencing a drought. To keep your lawn at its best and limit the hot summer damage, you should familiarize yourself with some of the basics of this issue.
The summer may be a great time to be outside, but the heat affects each blade of grass and especially the roots. Summer heat with bright days, warm nights, and little to no rainfall is the source of many dry lawns during the warm months. When the heat outside increases, the roots beneath the soil shrink in size to reduce the amount of water they need to conserve energy. Sometimes the grass will also utilize its stored energy in the roots to help the plant withstand the intense heat.
But even with these built-in heat reactions, the grass can still dry out and experience heat stress. Heat stress occurs when the heat gets intense or long, and the grass begins to dry and die because it can’t get enough water. Grass dying in summer heat can happen to all types of grasses, but some are more susceptible than others. Cool season grasses are especially prone to disease and wilting in the summer heat. These types of grasses can experience root damage if soil temperature exceeds 85 degrees.
On the bright side, heat stress is not that difficult to identify. Early on, your lawn may need a drink if footprints remain on the grass hours after walking on it or if the grass appears discolored (it usually turns gray or a darker shade of green before going brown).
When the effects of stress start to substantially impact your turf, grass blades may curl or turn brown at the tips. If you notice brown patches throughout your yard, this could actually be the result of a variety of different problems (all of which are worsened by drought):
In all of these cases, your lawn will experience great difficulty taking in the nutrients it needs. If you notice any of these signs in your yard during the hot summer months, it would be wise to take precautions against heat stress and prevent your grass dying out or drying out.
Once you’ve identified heat stress, it’s time to treat the damaged grass and help it flourish once more. Here are a few tips for how to get those brown spots healthy again:
When autumn comes, your lawn should begin to recover from heat stress. Keeping up with seasonal lawn care is an essential part of maintaining healthy grass and can produce a wonderful lawn if performed correctly.
Contact Lawn Doctor to help care for your lawn when you can’t.