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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 - Planning Your Garden for the Growing Season
Seattle Public Library - High Point
3411 SW Raymond St. | Seattle, WA 98126
February 21, 2026
1:30 p.m. to 3:00 p.m.
Planning allows you to focus on what happened in the past season and how to address things that did not go as you wanted. It also helps you to define this year’s goals and how to achieve them. Join the Garden Hotline in this free event. Registration is required.
EVENT
Natural Yard Care - Show - Homegrown/Homestead Day
Northwest Flower and Garden Show
705 Pike Street | Seattle, WA 98101
February 22, 2026
9:00 a.m. to 6:00 p.m.
Dig into a day devoted to self-sufficiency, sustability, and the joy of growing your own everything. Homegrown & Homestead Day celebrates the modern homesteader spirit - from backyard gardeners to regenerative growers - showcasing how simple, natural practices can nourish both people and the planet.
Learn how to grow more in less space, preserve your harvest, sustain life- giving soil, and build thriving ecosystems no matter where you grow. You'll find expert talks, hands- on inspiration, and practical tools to help you live closer to the land and lighter on the earth.
Local organizations like Seattle Tilth and other community partners will be on hand with inspiration, resources, and real- world know - how.
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
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.