Washington County

Washington County Master Gardener Home Page

Important Links

Washington County MG Chapter

Metro Master Gardener Program

Do You Have Plant or Household Pest Questions?

Master Gardeners are trained volunteers, ready to answer your home
horticultural questions. We provide research-based information to help
you make informed decisions about your home, garden, and landscape.
Master Gardeners utilize Integrated Pest Management (IPM) and promote
least-toxic management practices. Note: Master Gardeners do not answer
questions related to commercial horticulture or personal health.

Contact us:

Year round, Monday - Friday from 9:00am and 12:00pm and 1:00pm to 4:00pm

Phone: 503-821-1150

We encourage you to bring us samples to help us diagnose you plant problems and identify household pests.


Walk-in CLinic Location:

Washington County Extension Office

18640 NW Walker Rd. #1400

Beaverton , OR 97006-8972

(Directions- How to Find Us)


Email Your Question

Master Gardeners can also answer your garden and household pest questions via email.

Please provide your first name and your telephone number (in case it will be easier to help you via telephone).

The more information you give us, the easier it is to answer your
questions. Please provide information about the following before you
contact us:

Questions about plants and gardening

  • What is the problem or issue?
  • Name of plant, if known.
  • Provide a timeline of the issue.
  • Where is it growing?
  • Where is the problem on the plant?
  • Describe the damage.
  • Any treatments applied? If yes, what? when? at what rate? and what was the result?

Questions about household pests including insects, spiders, etc.

  • What is the problem or issue?
  • Where was the pest found?
  • How many pests were observed?
  • Describe the damage, if any.
  • Any treatments applied? If yes, what? when? at what rate? and what was the result?

If possible, please provide digital picture(s) of the issue. Close-up
pictures and pictures of the entire location of the problem are useful
in diagnosing gardening/household pest problems.


Email Your Question