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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

Free Workshop - Growing Oyster Mushrooms at Home

November 14, 2026
1:00 PM - 3:30 PM

High Point Library

3411 SW Raymond Street 
Seattle, WA 98126

 

Description

Interested in learning how to grow oyster mushrooms at home? Learn how to grow them with items in your home from Garden Hotline experts. 

Registration required.

  

Learn more

Free Workshop - Climate Change and Changing Gardens

November 18, 2026
6:30 PM - 7:30 PM

Skyway Library

12601 76th Avenue South  
Seattle, WA 98178

Description

Join Garden Hotline educators at the free climate change workshop. Educators will share tips to help you prepare and protect your garden. 

Registration required. 

 

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Free Workshop - Growing Herbs Naturally

November 19, 2026
10:00 AM - 11:30 AM

Northgate Community Center

10510 5th Avenue NE
Seattle, WA 98125

Description

Learn about growing herbs naturally. Head on down to the free workshop to learn how to grow them from Garden Hotline experts.  

 

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Free Event - Salmon Celebration

November 21, 2026
10:30 AM - 3:30 PM

Carkeek Park

950 NW Carkeek Park Road
Seattle, WA 98177

 

 

 

Description

Bring your family to celebrate Salmon SEE-Season. The salmon have returned to Pipers Creek in Carkeek Park. 

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Free Workshop - The Importance of Evergreens

December 01, 2026
11:00 AM - 1:00 PM

Upton Flats 

6070 35th Avenue SW
Seattle, WA 98126

 

 

 

Description

Curious about local evergreens? Learn how to identify them and how they help the environment thrive.  

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Free Workshop - The Importance of Evergreens

December 05, 2026
11:00 AM - 12:30 PM

Greenwood Library

8016 Greenwood Avenue North 
Seattle, WA 98103

Description

Join Garden Hotline educators at the free workshop to talk about the importance of evergreens.  

Registration required.

Learn more