underwatered newly planted shrub (12705 bytes)

Watering Newly Planted Shrubs

Newly planted shrubs require more water than established shrubs that have been planted for at least one year. The following recommendations assume shrubs are mulched to retain moisture (see mulching under Caring for trees for more information).

During the first growing season, a small sized shrub transplanted from a one gallon container will require 4 to 6 gallons per week. Once established, small shrubs will grow well on 2 gallons per week. Larger shrubs may need as much as 10 gallons per week. True low water use shrubs may require less water than this. See the Planting trees and shrubs  for a list of low water use shrubs.

In dry winters, all shrubs will benefit from winter watering from October through March. Apply 5 gallons two times per month for a newly planted shrub. Small established shrubs (less than 3 feet tall) should receive 5 gallons monthly. Large established shrubs (more than 6 feet) will require 18 gallons on a monthly basis. Decrease amounts to account for precipitation. Water within the dripline of the shrub and around the base.

Photo: Judy Sedbrook

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Date last revised: 01/05/2010