For people who like trees or who have tree trouble, finding help can be a daunting task.  Below is a web-based gateway to help the public locate those who can help:  green businesses, government agencies, nonprofits, educational institutions, and others.


Climate Solutions
Practical solutions to global warming

Earth Corps
EarthCorps envisions a world where people and nature thrive together.

Feet First
Promoting walkable communities

Friends of Seattle's Olmsted Parks
FSOP is a nonprofit organization dedicated to preserving Seattle's unique Olmsted landscape heritage and raising awareness of the Olmsted philosophy of providing open space for all people.

For more than 25 years, Futurewise has worked to prevent sprawl in order to protect our State’s resources and make our urban areas livable for and available to all.

Groundswell Northwest
Groundswell NW is an all volunteer organization with the mission to “Empower NW Seattle to create, activate and care for parks, open space and habitat”

National Wildlife Federation
America's Largest Conservation Organization works to protect wildlife for our children's future.

The Re-Store
Puget Sound's award-winning source for salvaged and used building materials.

Save Seattle's Trees
Group dedicated to informing public on Seattle's tree issues and organizing to save trees.

Seattle Audubon
Cultivating and Leading A Community That Values and Protects Birds and the Natural Environment Since 1916

Sierra Club
Conservation, Legislation and environmental Political Candidate endorsement.

The Trust for Public Land
Creating Parks and Protecting Land for People™

Thornton Creek Alliance
A grassroots, nonprofit organization dedicated to preserving and restoring an ecological balance in the Thornton Creek Watershed.

Washington Environmental Council
Our mission is to protect, restore, and sustain Washington’s environment for all.


Elisabeth C. Miller Library
Free plant answer line, Pacific NW garden books, kids programs, book lists, plant sales.

Forestry Degree
Promotes forestry degrees and conscientious wood use. raises awareness about noxious plant invasions and offers advice for control, plus referrals for ecological restoration companies in the Seattle area.

The Nature Consortium
Urban Forest Restoration projects plus Grassroots, community-based organization that teaches environmental lessons through creative arts.

Tilth Alliance
Our mission is to build an ecologically sound, economically viable and socially equitable food system.

University of Washington Center for Urban Horticulture
Offers educational courses for professionals and community members regarding tree care.

Urban Wilderness Project
The Urban Wilderness Project works to restore and encourage positive communities by providing culturally and environmentally based service-learning projects for youth and adult participants.

Community Groups

Association of Professional Landscape Designers
Professional organization of Landscape Designers seeking to maintain standards of practice, provide a designer resource list, encourage environmental management and historical preservation of significant landscapes.

Developed Green City Program (Green Seattle Partnership) to maintain urban forested parklands.

Friends of Discovery Park
A nonprofit dedicated to defending and protecting the integrity of Discovery Park as an open space of quiet and tranquility with emphasis on its natural environment.

Heron Habitat Helpers
Collaborate with Seattle Parks Department and Green Seattle Partnership towards common goal of preserving urban wildlife area near Discovery Park (Kiwanis Ravine).

Maple Leaf Community Council
Information on trees at Waldo Woods

Puget Creek Watershed Alliance
Puget Creek Watershed Alliance is a grassroots group of neighbors and supporters working to address environmental, social, and economic concerns in our own community, backyards, and surrounding natural areas. We advocate for daylighting Puget Creek as environmental reparations for our downstream neighbors, the Duwamish Tribe, and support their struggle for treaty and fishing rights by restoring upstream habitat.

Seattle Garden Club

Sustainable Ballard

Washington Native Plant Society

WSU Extension Master Gardeners
Gardening fact sheets, info on Master Gardener program, pest info.

Governmental Agencies and Groups

City of Seattle Department of Neighborhoods
Website provides info. On p-patch programs and neighborhood plans.

City of Seattle Department of Transportation
Links to Urban Forestry, Arborist, Free street trees, planting procedures, pruning, tree removal, Landscape Architect, seasonal tree care, heritage tree program and Seattle tree inventory.

City of Seattle Office of Sustainability and the Environment
Collaborates with City, Non-profits and businesses to protect Seattle's environment. Information on Green Building, relief and climate action plan.

City of Seattle Parks and Recreation
Trees in Seattle Parks, Seattle Crew members, and Seattle Tree Maintenance Program

Delridge Neighborhood Development Association

EnviroStar (part of King County Hazardous Waste Management Program)
Rates businesses on efficiency of reducing hazardous waste. Website has green business directory.

Green Seattle Partnership
Partnered with City of Seattle (Parks and Recreation, Office of Sustainability and the Environment, Public Utilities) and the Cascade Land Conservancy to maintain urban forested parklands.

King County Public Benefit Rating System

Seattle Parks Foundation
Nonprofit organization seeking to improve and expand Seattle's Parks and Open Spaces

Trees for Seattle
The umbrella for all of the City of Seattle's urban forestry efforts.

Washington Community Forestry Council
Seeks "to create a self-sustaining urban and community forestry program that preserves, plants, and manages forests and trees for public benefits and quality of life. The program does this by teaching citizens and decision-makers about the environment

Washington Association of Landscape Professionals
A nonprofit organization of Landscape Professionals

Washington Chapter of Landscape Architects
Professional Society of Landscape Architects whose mission is to "lead, educate and participate in the careful stewardship, wise planning and artful design of cultural and natural environments".

Washington Environmental Council
A nonprofit advocacy organization dedicated to lobbying, policy development, research, grassroots organizing, media, and legal action regarding climate change. Partnered with Audubon to get Evergreen Cities law (HB28844) passed.

Washington Park Arboretum
230 Acres designed by Olmstead Brothers containing 20,000 trees and plants. Has educational programs and plant sales.

Washington Conservation Corps.
Dept. of Ecology state of Washington supports sustainable communities and natural resources