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Summer Dormancy

What is Summer Dormancy?

Summer dormancy occurs in a lawn when grasses as exposed to an extended period of heat and lack of moisture during mid-summer. This severe stress may cause a lawn to temporarily stop growing. Dormancy is one of the mechanisms nature has developed to help plants survive stressful conditions. Allowing a lawn to go severely dormant during extended drought periods may cause portions of the lawn to die and not recover.

Symptoms of Summer Dormancy
  • Lawn appears to be dead or dying.
  • Leaves and stems of grass plants usually turn brown, as crowns and buds stop growing.

    However, there is hope! When the weather changes and cooler temperatures and adequate moisture returns, grasses normally will begin to grow again. With proper care, the lawn will return to a healthy state unless you have an elongated period of heat and drought where some plants may have died.

Controlling Summer Dormancy

The following practices will help to ensure summer dormancy does not occur:

  • Avoid drought stress during hot, dry periods by watering in the morning.
  • Thorough, infrequent watering promotes the growth of a deep, healthy root system that is better able to survive drought and heat stress.
  • Raise mowing height to 2.5-3” (6.5–7.5cm).
  • Promoting a healthy lawn throughout the year will enable a lawn to better overcome stressful periods which can induce summer dormancy.

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Main Service Areas

DeVries services the greater Grand Rapids area with the finest commercial and residential outdoor care. Service areas vary. 

Contact us at 616-669-0500 for more information.

Our Weed Man technician is doing a wonderful job and I am very happy with her communication regarding the lawn.


Holland I July '19

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