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How to Manage Pests

Pests in Gardens and Landscapes

Whitewashing trunks

Borers are frequently a problem on young trees whose trunks have been sunburned. Prevent sunburn by applying white interior (not exterior) nonenamel latex paint diluted with an equal amount of water to young trunks. Whitewash trunks from 1 inch below ground level to at least 2 feet above to prevent sunburn.

Protect trees by whitewashing
Protect trees by whitewashing

Statewide IPM Program, Agriculture and Natural Resources, University of California
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For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/FRUIT/ENVIRON/whitewashing.html revised: June 29, 2009. Contact webmaster.