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Ask a Master Gardener
Metro area Master Gardener office and hotlines
The metro area Master Gardener provides answers to questions about gardens and household pests in Clackamas, Multnomah, and Washington Counties in Oregon.
If you outside of this geographic area, please find your local Cooperative Extension office.
There are also many great online tools for investigating plant problems and household pests.
Clackamas County Master Gardener Hotline
Address: 200 Warner-Milne Rd. Oregon City, OR 97045
Hours:9:00 am - 12:00 noon and 1:00 - 4:00 pm, Monday through Friday
Multnomah County Master Gardener Hotline
Sponsored by: West Multnomah Soil and Water Conservation District
Address: 2701 NW Vaughn St. Suite 450 Portland, OR 97210
Hours: 10AM - 2PM Monday - Friday
Washington County Master Gardener Hotline
Address: 155 N. First Ave., Suite #200, Hillsboro, OR 97124
Hours: 9AM -12PM and 1PM - 4PM Weekdays