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Upcoming Classes

Featured Regular Classes

  • Noxious Weeds and Invasive Plants Class - evening workshop on noxious weeds and invasive plants identification and control in King County.
  • Managing Healthy Lands: Weed Control Techniques - webinar on techniques for controlling blackberry, ivy, holly and other tough invasive plants for a healthier forest, field or greenspace.
  • Noxious Weed Control Seminar - two-part webinar for vegetation management personnel, restoration crews and anyone else interested in learning more about noxious weeds and issues related to noxious weed control.
  • Invasive Knotweed Control Workshop - how to control knotweed; participants qualify to borrow stem injectors. 
  • Lake Weed Watcher Training - learn to identify, survey for, and report lake weeds.
  • Trail Weed Watcher Training - watch for weeds in wild areas and help prevent them from spreading
  • Jardinería (una clase de Casa Latina) - "Aprende a identificar las plantas y arbustos, conocer sobre las herramientas básicas para la jardinería, cómo usar mulch, mantenimiento del césped y técnicas de plantación. Este taller es ofrecido  dos veces al mes durante la primavera, el verano y el otoño."

Webinars on Demand

The King County Noxious Weed Control Program offers workshops and presentations upon request for community groups, neighborhood councils, vegetation management professionals, volunteer events, garden clubs and a wide range of other groups. Please contact our office at or 206-477-9333 if you would like a presentation on invasive plants or noxious weeds for your group, staff or community.

Weed Watcher training 2015 (photo by Julie Combs)

Related information

Related agencies

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).