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From: Palo Pinto, TX
Region: Southwest
Topic: Watering, Trees
Title: Watering Oak Trees in the Summer
Answered by: Brigid & Larry Larson
The short answer: Yes! Oak Trees are, in general, extremely drought tolerant, but that doesn't mean they are not affected by drought. Tree experts agree that during extreme drought conditions, a little bit of correctly done watering is extremely beneficial to your trees.
This previous Mr Smarty Plants question had a good direction towards a website from Central Texas Tree Care which describes the issue and also to the University of Illinois Extension which recommends a watering plan. Here are a number of articles from the Colorado State Cooperative Extension, from Urban Forestry South [New Mexico], Walter Reeves.com, and Fine Gardening [California].
Its a pretty consistent story though - Yes, please water, even including your established trees. Give them a good soaking near and maybe a bit past the drip line. Water roughly every two to three weeks, this ought to do just fine as long as the "good soaking" is sufficiently long.
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