Shrubs And Trees
Q.

watering plants in the garden

Zone 81507 | Anonymous added on May 29, 2019 | Answered

When watering new shrubs 1" to 1 1/2" a week, how many gallons is that? Does 1" equal 1 gallon of water a week?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 29, 2019

An inch of rain is exactly that, water that is one inch deep. One inch of rainfall equals 4.7 gallons of water per square yard.
https://www.gardeningknowhow.com/ornamental/trees/tgen/watering-newly-planted-tree.htm

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