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 - Building Healthy Soil
Seattle Public Library - High Point Branch
3411 SW Raymond Street | Seattle, WA 98126
April 18, 2025
4:00 p.m. to 5:30 p.m.
Healthy soil is the foundation of healthy plants. Join the Garden Hotline and Seattle Public Library - High Point to learn what soil is composed of, investigate soil amendments like different types of compost, mulches and bagged soil products and take home a little compost to improve a plant or two at home.
Registration is required. Please register by calling the High Point Branch at 206-684-7454.
EVENT
Natural Yard Care - Garden Hotline at the Healthy Aging Summit
Mercer Island Community Event Center
8236 Southeast 24th Street | Mercer Island, WA 98040
April 18, 2025
10:00 a.m. to 3:00 p.m.
Garden Hotline experts will be tabling with information on chemical-free gardening and yard care at this day dedicated to promoting healthy aging. The event will feature informative sessions, interactive workshops, and networking opportunities to help you live your best life as you age.
EVENT
Natural Yard Care - P-Patch Resource Fair
Northwest African American Museum
2300 S Massachusetts Street | Seattle, WA 98144
April 19, 2025
10:00 a.m. to 5:30 p.m.
Join Natural Yard Care educators from the Garden Hotline, the P-Patch Community Gardening Program, and many other green community organizations for a fun fair dedicated to providing resources to amateur gardeners in the greater Seattle area.
EVENT
Natural Yard Care - Propagation 101
King County Library - Lake Forest Park
17171 Bothell Way NE | Lake Forest Park, WA 98155
April 22, 2025
5:30 p.m to 7:30 p.m.
Learn the basics of how to divide plants, make stem cuttings, and layer plants using all natural techniques.
You will leave with some plants for your home or to share. Gain the skills to create even more!
Registration not required.
EVENT
Natural Yard Care - Composting at Home
King County Library - Richmond Beach
19601 21st Ave NW | Shoreline, WA 98177
April 23, 2025
5:30 p.m. to 7:00 p.m.
The foundation of a beautiful and healthy garden is good soil.
Learn about the different methods of food and yard waste composting. Discuss the soil food web, what materials to add and which to avoid and why compost is important.
Registration not required.
EVENT
Wastemobile - Vashon
Tjomsland Gravel Pit
17001 107th Ave SW | Vashon, WA 98070
April 25-27, 2025
10 a.m. to 5 p.m., daily
The Wastemobile travels to communities throughout King County to provide hazardous waste disposal for residents and eligible businesses. There is no fee for hazardous waste disposal. Please check the Wastemobile page for a list of accepted items, limits, and restrictions.