We are a Washington D.C. based nonprofit, established in 2002, committed to restoring, enhancing and protecting the tree canopy of the nation's capital. To fulfill this mission, we plant trees, engage thousands of volunteers of all ages in tree planting and care, provide year-round continuing education courses, monitor the city's tree canopy, develop interactive online tree tools and work with elected officials, developers, and community groups to protect and care for existing trees and to encourage the addition of new ones.

If you live in D.C. and are interested in getting a tree planted at home for free, check out our residential planting programs. For pruning, landscape.

What's new?

Bring some sunny blooms to your yard ☀️ Up next in our Tree Rainbow series: Yellow/Green blooms! Check out Tuliptree and Witchhazel on our blog:

Posted on Mar 12, 2021  •  Facebook

The forests, fields, and estuaries of the Chesapeake Watershed look starkly different in winter. The lush, green forests have transitioned to drab brown landscapes. At first glance, it may appear these landscapes are devoid of life. But look again

Posted on Mar 12, 2021  •  Facebook

Brood X isn't the only thing on its way. Here comes #PeakBloom!

Posted on Mar 12, 2021  •  Facebook

They’re big. They’re loud. And they’re coming by the billions. Meet Magicicada cassinii, better known as the cicada. Enjoy nature’s nightmusic, kickback and raise your glass to toast one of nature’s peculiar phenomena. Check out our blog for more:

Posted on Mar 10, 2021  •  Facebook

“Remember, these are just teenagers and they’ve been underground for 17 years. It’s been a dismal existence. They want to come up and party.” They're ready and hopefully you're ready to witness one of the biological wonders of the world! DCist has more:

Posted on Mar 10, 2021  •  Facebook

Please don't carve anything e s p e c i a l l y swastikas into trees https://t.co/omse1OLxCw

Posted on Mar 07, 2021  •  Twitter

We're hiring multiple positions including Communications & Events Associate and Community Outreach Coordinator. Can… https://t.co/vKrI8gNgmQ

Posted on Mar 07, 2021  •  Twitter

Earlier this year, Amazon unveiled plans for its second, East Coast headquarters While HQ2 has been called everythi… https://t.co/uVfbYIQ1E7

Posted on Mar 06, 2021  •  Twitter

Giant kauri trees can live for thousands of years and can end up well preserved in bogs. "The trees themselves are… https://t.co/mbMU3ubyQ4

Posted on Mar 06, 2021  •  Twitter

"I know it sounds too simple, but if planting trees can improve everything — from air quality to economic opportun… https://t.co/xMQIcLNXQv

Posted on Mar 05, 2021  •  Twitter

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