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Washington State University

Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.

Critical Temperatures and Bud Stage Charts

Program Contact: Tianna DuPont, Tree Fruit Extension Specialist
(509) 663-8181 • tianna.dupont@wsu.edu

(Click photo to enlarge)