News and events
Find the latest news stories, press releases, and upcoming event information from the Hazardous Waste Management Program.
Featured news
Upcoming events schedule
EVENT
Natural Yard Care - Seed Starting 101
King County Library - Skyway
12601 76th Ave. SW | Seattle, WA 98178
February 25, 2026
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.
EVENT
Wastemobile - Redmond
The Home Depot
17777 NE 76th St. | Redmond, WA 98052
March 6-8, 2026
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.
EVENT
Natural Yard Care - Growing Plants from Seed
Seattle Public Library - Queen Anne
400 W. Garfield Street | Seattle, WA 98119
March 6, 2026
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.
EVENT
Natural Yard Care - Growing Plants from Seed
Seattle Public Library - High Point
3411 SW Raymond Street | Seattle, WA 98052
March 7, 2026
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
Rainier Beach Urban Farm and Wetlands
5513 S. Cloverdale Street | Seattle, WA 98118
March 21, 2026
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.
EVENT
Wastemobile - Vashon
K2 Commons
19215 Vashon HWY SW | Vashon, WA 98070
March 27 - 29, 2026
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.
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