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Watering Methods to Help Trees Beat the Heat

In this Angie's List article, Matt Haro, district manager of Davey's Las Vegas office, gives readers a few different options for keeping their trees hydrated this summer. 

Posted: July 11, 2016 

Dry conditions and high temperatures leave trees feeling parched. Well-hydrated trees cope better with the heat. But how much water do mature trees need? And when is the right time to water them? It depends. Grow your tree watering knowledge with the following information.

Signs it’s time to water trees

There are obvious signs trees need water, but sometimes there's uncertainty about the right amount of water needed to keep trees healthy. The soil holds the answer.

Use a shovel to dig down about 6 to 8 inches and pick up a handful of the soil. It should be cool to the touch and slightly wet, but not soaking. If the soil is really wet, that's a sign of overwatering.

If you don’t have sandy soil, roll the soil into a ball. If it doesn’t hold its shape, the soil is too dry, and it’s time to water. 

Proper tree watering

To ensure you’re giving trees the right amount of water, look at your tree’s “drip zone,” the area directly beneath the foliage. Water needs to saturate the entire drip zone and roots of your tree. Most trees are sufficiently hydrated if the upper 12 inches of soil around the roots are soaked at least once per week. Generally, trees should receive five gallons of water for every inch of trunk diameter.

Water trees once a week from March until October, and twice a week during periods of little or no rain. 

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