a team of volunteers drops mulch at a volunteer event in Emery Heights Park

June 16 2025

Summer Is Here! Check Out Our Upcoming Events

June 11 2025

Public Testimony | June 2, 2025 | Committee on Transportation & the Environment

June 9 2025

Casey Trees and Bartlett Tree Experts, A Crowning Partnership Made in the Shade (of Urban Trees)

Boulder Bridge at Rock Creek Park

June 2 2025

DC Is Hot and Humid – But Is It Really a Swamp?

Two students dig a hole as they learn how trees are planted

June 2 2025

“Best Day of My Life”: Highlights From School Tree Planting Season

May 19 2025

The Serviceberry: A Guide to Appreciating this Small but Mighty Tree

A team of volunteers pause digging to pose for a photo with their shovels at the Armed Forces Retirement Home

May 19 2025

Looking Back on Our Final Community Tree Planting of the Season

May 19 2025

Beyond No-Mow May: Transforming Lawns into Lush Gardens and Tree Havens

Picture of 3 different blooming trees

May 12 2025

Seven Beautiful Trees That Are Late Bloomers

May 12 2025

Talking Urban Tree Selection with the GardenDC Podcast

Two volunteers apply fresh mulch to a young tree

May 12 2025

Things to Do in June For Trees & Community

May 5 2025

Sign up for a Nature Summer Camp with Casey Trees

DC Climate Week at Sycamore & Oak

May 5 2025

Highlights from DC Climate Week 2025

Casey Trees staff installing a garden

May 5 2025

Tour the Casey Trees Ecological Garden Program

A graphic that says

April 28 2025

DC’s 2024 Tree Report Card is Here

Canopy Awards Honorees and Staff 2025

April 28 2025

An Evening Celebrating Tree Champions

April 28 2025

Planet Protectors: Spring Break Camp Fosters the Next Generation of Environmental Advocates🌳🌟 

A group of students walk toward a large tree

April 21 2025

How You Can Help DC’s Trees Thrive—on Earth Day and Every Day

April 21 2025

Videos: Get to Know Our 2025 Canopy Award Honorees

Volunteers plant at the West Hyattsville Metro Station while a bus passes by in the background

April 21 2025

A Greener Commute Ahead for West Hyattsville Metro Users

A FoodPrints class of fourth graders poses for a photo after a day of planting at Garfield Elementary

April 14 2025

Seeds of Change: Students Bring Their Learning to Action

The Wizards and Casey Trees teams pose near a new bench dedicated to Benjamin Banneker

April 14 2025

Tree is Life: Our Planting with The Wizards

Volunteers planting a tree

April 14 2025

Join Us for More Spring Events!

Canopy Award Honoree lineup

April 7 2025

Introducing Our 2025 Canopy Award Honorees