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Washington State University

Master Gardener Plant Problem Clinics

(425) 338-2400

Email a Master Gardener:

Trained WSU Master Gardeners will take your plant problem questions via e-mail at  Please provide as much information as possible about the plant and its growing conditions. Photos are very helpful.

[Closed All Snohomish County Holidays, the week of Thanksgiving, and Dec. 19 – Jan. 2]


Phone a Master Gardener:

Operating as part of the Walk-In and Email Diagnostic Clinic, you may call the Snohomish County WSU Master Gardener Hotline at 425-357-6010, between the hours of 10am and 4pm, Monday through Thursday.


Visit a Master Gardener:

Walk-In Diagnostic Clinic

Our popular, weekday walk-in plant problem diagnostic clinic is returning beginning Monday, April 4th, 2022.

Visit us at our new location:Willis Tucker Park Administrative Office is a red building with a flat roof and large glass windows and doors.

Willis Tucker Park
Snohomish County Parks & Recreation Office
6705 Puget Park Dr.
Snohomish, WA 98296


Monday – Thursday
10am – 4pm
[Closed All Snohomish County Holidays, the week of Thanksgiving, and Dec. 19 – Jan. 2]

(Please check back in January for updates to operating hours, as we adjust to meet community need. Thanks for your patience.)


Community Plant Problem Clinics to return

Our popular community plant problem clinics have returned to hardware stores, community events and other locations near you beginning in April 2022. Visit Snohomish County Master Gardener Clinics Website for more information.