Skip to main content

KingCounty.gov is an official government website.

Official government websites use .gov
Website addresses ending in .gov belong to official government organizations in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.

News and events

Find the latest news stories, press releases, and upcoming event information from the Hazardous Waste Management Program.

Featured news

Newsletter sign up

Stay Connected

Sign up for email or mobile text about the latest hazardous waste news.

Upcoming events schedule

EVENT

Natural Yard Care - Seed Starting 101

 

map icon

King County Library - Skyway

12601 76th Ave. SW | Seattle, WA 98178

date-icon

February 25, 2026

date-icon

6:30 p.m. to 8:00 p.m. 

  

 


 

Come get a jump start on your seed starting knowledge and learn when it is important to get seeds and starts planted.

This workshop will cover:

  • how to choose appropriate seeds and starts and where to get them
  • solutions for fitting new plants into an existing garden and germinating seeds in hot summer weather.

 Registration is required. 

 Find event information

EVENT

Wastemobile - Redmond 

 

map icon

The Home Depot  

17777 NE 76th St.  | Redmond, WA 98052

date-icon

March 6-8, 2026

date-icon

10:00 a.m. to 5:00 p.m., daily

 

 

 


 

The Wastemobile offers seasonal hazardous waste collection events in King County communities, providing community members a free, convenient place to take their household hazardous waste - like batteries, pesticides, motor oil, and more. There is no fee to use this service.
  




Find event information


 

EVENT

Natural Yard Care - Growing Plants from Seed

 

map icon

Seattle Public Library - Queen Anne

400 W. Garfield Street | Seattle, WA 98119

date-icon

March 6, 2026

date-icon

2:00 p.m. to 3:30 p.m.

 

 


 

Learn how to start and grow plants from seed with expert help from the Garden Hotline! There are many reasons to start your own plants from see, and especially when growing a vegetable garden. Learn how to get seeds started successfully in pots, trays, or directly in garden beds. Learn what they need to thrive. We will talk about soil choices, seed options, and more. Registration is required. 

 


 

Find more information

EVENT

Natural Yard Care - Growing Plants from Seed

 

map icon

Seattle Public Library - High Point

3411 SW Raymond Street  | Seattle, WA 98052

date-icon

March 7, 2026

date-icon

1:00 p.m. to 2:30 p.m. 


 

There are many reasons to start your own plants from seed, and especially when growing a vegetable garden. From the choice of more varieties of plants to a cheaper starting cost, starting seeds also is a satisfying and fun experience. Learn about how to get seeds started successfully in pots, trays, or directly in garden beds and about what they need to thrive. We will talk about soil choices, seed options and places to find them, as well as a few tips on saving seeds for next year. Start a pot or two to take home and grow. 


Thanks to our partner The Garden Hotline.

Find event information

EVENT

Natural Yard Care - Tilth Alliance March Edible Plant Sale 

 

map icon

Rainier Beach Urban Farm and Wetlands 

5513 S. Cloverdale Street | Seattle, WA 98118

date-icon

March  21, 2026

date-icon

9:00 a.m. to 3:00 p.m.

 


 

Our garden educators have carefully chosen varieties that grow well in our Maritime Northwest climate, so come choose from a wide selection of organically, sustainably and locally grown edible plant starts. Spring is an ideal time to plant because nature takes care of the watering for you and temperatures are warm enough to start tending to our gardens.

  

   

Find event information

 

EVENT

Wastemobile - Vashon 

 

map icon

K2 Commons

19215 Vashon HWY SW | Vashon, WA 98070 

date-icon

March 27 - 29, 2026

date-icon

10:00 a.m. to 5:00 p.m., daily


 

The Wastemobile offers seasonal hazardous waste collection events in King County communities, providing community members a free, convenient place to take their household hazardous waste - like batteries, pesticides, motor oil, and more. There is no fee to use this service. 

 

 

 

 

 

 



Find more information