Coming Up!

2017 Urban Forest Symposium:

Equity and the Urban Forest

 Tuesday, May 23, 2017
Center for Urban Horticulture
9am-4pm; reception to follow: 4-6pm

Each spring PlantAmnesty and UW Botanic Gardens partner to deliver the Urban Forest Symposium. Our 9th annual Urban Forest Symposium will explore the intersection of social justice and urban forestry.

View the full schedule on the UW Botanic Gardens website.  

There is still time to register online or using this form.    

 No Place for Old Trees

Read Cass Turnbull's thought-provoking series of articles collectively called No Place for Old Trees. Despite research quantifying the multiple values of the urban forest, trees and green spaces are in greater danger than ever before. Find out why and how developers captured the high moral ground in Seattle. And, learn how trees can and must go hand in hand with DENSITY. No Place for Old Trees is also available on the PlantAmnesty YouTube channel.

Cass' Density Rant

Part I
Part II: Infrastructure--Friend or Foe of the Urban Forest: Green Roofs and Bio Swales
Part III:  Infrastructure--Friend or Foe of the Urban Forest: Green Walls, Green Facades, and Permeable Pavement
Part IV:  Why We Don't Fund the Urban Forest and Green Space Programs
Part V:   Common Misconceptions

Cass Turnbull, founder and president of PlantAmnesty passed away on January 26th, 2017 while on vacation in Hawaii.  Please read about the Celebration of her Life and some of the many tributes to Cass on our memorial page.


On May 10th, Seattle Foundation helped Seattle non-profits raise more than $17 million.  Thanks to our donors, we reached our GiveBig fundraising goal. Your generosity will help us continue our work including:

Referral Service
Urban Forest Symposium (with UW Botanical Gardens)
Master Pruner Classes
Renovation Workshops
Arbor Day Prune
Heritage Tree Program (with the City of Seattle)
Prune-a-Thon at Sky Nursery
Spanish-speaking workshops and instructional videos
And lots, lots more!

If you did not get a chance to give on May 10, we welcome your donation at any time! Contact us at or 206-783-9813.