A zebra swallowtail butterfly flutters above a row of cover crops.

August 17 2026

Building Healthy Soil and a Thriving Ecosystem at Casey Tree Farm

A yard sign says

August 3 2026

Make-A-Will Month: How Your Love of Trees Can Last Generations

A collage of five close-up photos of a bur oak, hackberry, eastern red cedar, honey locust, and northern catalpa.

July 27 2026

Five Drought-Tolerant Trees That Can Take the Heat

July 13 2026

Mapping DC’s Most and Least Shaded Neighborhoods

A honeybee and a bumblebee circle the flowers of an American linden tree.

June 29 2026

Why Pollinators Need Trees, Too

Looking up at a tree canopy and the summer sun

June 22 2026

The Science of the Seasons: Summer Phenology

Top of a tree of heaven.

June 8 2026

Tree of Heaven: The Invasive That’s Probably in Your Backyard

June 1 2026

DC’s New Tree Protections: A Win for Our City’s Trees and Residents

A group of people gathered at the grand opening of Ravenswood.

June 1 2026

From Overgrown to Forever Protected: Riverdale Welcomes a New Community Forest

May 18 2026

Looking Back on an Impactful Planting Season

May 18 2026

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

Picture of 3 different blooming trees

May 11 2026

Seven Beautiful Trees That Are Late Bloomers

Green Budget Day rally crowd

May 4 2026

Advocacy Update: DC’s Next Budget

Volunteers planting a tree in Lincoln Park.

April 13 2026

Tree Plantings for America’s 250 Begin at Lincoln Park

April 6 2026

Trees: Celebrating DC’s Homegrown Monuments

A member of the Casey Trees team waters a young tree

April 6 2026

Weekly Watering Alerts Are Back!

Lake Arbor Tree Planting Landscape

March 23 2026

Tee Time to Tree Time: A Lake Arbor Golf Course Transformation

A closeup of a Yoshino Cherry blossom.

March 16 2026

Cherry Blossom Season is Here! Find Blooms Near You.

A bumblebee on a plant

March 16 2026

Casey Trees Awarded Nearly $500,000 to Create Wildlife Corridors Across Washington, DC

Trees around a home with solar panels

March 9 2026

Reducing Energy Costs with Trees

A collage of Eastern Redbud and Red Maples trees with the

March 2 2026

Finally, Our Phenology February Champion

Frederick Douglass' home at Cedar Hill; a house on a hill surrounded by large trees.

February 23 2026

Frederick Douglass and the Nature at Cedar Hill

Two volunteers removing an invasive vine from a tree.

February 23 2026

Saving Trees, One Vine Removal at a Time

A collage of trees with the

February 2 2026

Phenology February is Here!