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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.

Home and Garden

(425) 338-2400
"The Snohomish County Horticulture Program teaches research-based, ecologically sound gardening practices. Our mission is to provide access to research-based information and encourage its application by home gardeners to promote human well being, protect and enhance our environment and foster community stewardship.

Covid-19 Impact

E-mail your plant problem questions to Master Gardeners at
Our Extension Office is currently closed to the public; however, our Master Gardeners will continue to take your plant problem questions via e-mail at Please provide as much information as possible about the plant and it’s growing conditions. Photos are helpful.

Master Gardener Hotline: 425-357-6010

WSU Trained Master Gardeners are on duty to answer home gardening questions by phone and at the Extension Office 9 a.m. to 4 p.m., weekdays, April thru September; 11 a.m. to 3 p.m. Monday thru Thursday, October thru March; except holidays, the week of Thanksgiving and the last two weeks of December.

Horticulture Programs

Provide education and help for Snohomish County home gardeners to include:

  • Diagnosing plant problems
  • Researching environmentally sound pest management options
  • Advising about appropriate plants for trouble-free landscapes
  • Teaching IPM vegetable gardening techniques
  • Improving the soil and how to properly dispose of organic wastes through compost techniques
  • Preserving water quantity through wise management choices.

Home & Garden Events

Jul 29

Pickling and Fermenting – July 29

July 29 @ 6:30 pm - 9:00 pm
Washington State University