Here's this week's Turf Tip on letting your lawn go dormant during the hot days of July and August. Basically, cool-season lawns are pretty drought-resistant and will go into a state of dormancy if they don't get enough water. This stage is characterized by browning of the foliage and slowed growth. Pay particular attention to the warning about going "dormant, but not dead."
Our friends over at the University of Minnesota also suggest that you "avoid play or traffic on dormant lawns." Read their take here. There's also information as part of the Sustainable Urban Landscape Information Series or SULIS on a practice called "syringing." I'd never heard of that, but it's appropriate to this topic because it involves trying to save your lawn from heat stress by giving it a daily light application of water to wet the leaves of the grass. Also some good information on watering.
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