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News and events

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

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Upcoming events schedule

EVENT

Natural Yard Care - Garden Bed Build

 

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Renton Seventh Day Adventist Church

1031 Monroe Ave. NE | Renton, WA 98056

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March 20, 2026

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2:00 p.m. to 6:00 p.m. 

  

 


 

The Garden Hotline in partnership with the Renton Seventh Day Adventist Church and Seed2Fork Farm is creating a raised bed demonstration garden for the community next to the church. Join us to learn about how to construct a juniper wood bed, straw bales beds, help fill the on site wood crate beds and metal water trough beds with soil and get the garden ready for April planting! Light lunch will be provided for participants.

 

 

 

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EVENT

Natural Yard Care - Tilth Alliance March Edible Plant Sale

 

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Rainier Beach Urban Farms and Wetlands  

5513 S. Cloverdale St.  | Seattle, WA 98118

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March 21, 2026

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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.
  

 

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EVENT

Natural Yard Care - Snoqualmie Valley Seed Exchange

 

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Tolt Middle School

3740 Tolt Avenue  | Carnation, WA 98014

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March 21, 2026

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10:00 a.m. to 12:00 p.m.

 

 


 

Join the Snoqualmie Valley community to share seeds, pick up seeds you need, and learn from the wonderful groups that host information tables at this beloved spring event. It’s time to garden! Get ready at this seed exchange event. The Garden Hotline will have an info table with an educator to answer questions and seeds to share.

 

 

 

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EVENT

Natural Yard Care - Introduction to Botany

 

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King County Library -Skyway

12601 76th Ave. SW  | Seattle, WA 98178

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March 25, 2026

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6:30 p.m. to 7:30 p.m. 


 

Gardeners benefit from learning the basics of botany so you can manage a thriving garden. This class will cover basics of plant morphology, how plants grow, what they need, their flower and fruit cycles and how light affects them. Your choice of garden tasks and timing matters.

King County Library System – Skyway – registration required – link available soon

 



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EVENT

Wastemobile - Vashon 

 

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K2 Commons 

19215 Vashon HWY SW | Vashon, WA 98070

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March 27 - 29, 2026

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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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EVENT

Wastemobile - Carnation/Duvall 

 

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Tolt MacDonald Park 

3600 Block of Tolt Ave  | Carnation, WA 98014 

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April 10 - 12, 2026

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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