And the Largest Tree is…
After a month of searching far and wide for the largest tree in DC, YOU, our citizen scientists out in the field have brought forward an answer! Throughout this search, …
THE LEAFLET
Largest Tree Updates
Greetings, citizen scientists! We want to express our heartfelt appreciation to everyone who participated in our Largest Tree search. The response has been overwhelming, with tree enthusiasts from all over …
These Trees are Larger Than Life
The search to find the largest tree in Washington, DC is well underway, and as the search intensifies, tree enthusiasts across the District have been fervently submitting their contenders for …
Let’s Find the Largest Tree in DC
People often ask us if we know where to find the largest, or oldest tree in DC – and while there isn’t a whole lot of updated data and information …
April is Citizen Science Month
Science is our most reliable system for gaining new knowledge. And, citizen science lets us ask new questions, collect data, and discover scientific advancements with your help. April is Citizen …
Order Our Newest Species Guide
We’ve updated one of the most popular Casey Trees resources to be even more user-friendly and informative! Get ready to purchase a one-stop guide to identifying trees in the Washington, …
Happy GIS Day!
GIS is a scientific framework for gathering, analyzing, and visualizing geographic data to help people make better decisions. On GIS Day, we’re helping others learn about geography and the real-world …
We’ve Added to Our Virtual Class Offerings!
The global coronavirus pandemic keeps going on and trees keep growing. We may not have any volunteer opportunities for you these days, but that doesn’t mean you can’t learn about …
April is Citizen Science Month
Science is our most reliable system for gaining new knowledge. And, citizen science lets us ask new questions, collect data, and discover scientific advancements with your help. April is Citizen …
Spring Volunteer Event Sign Ups are Here
What you’ve all been waiting for! Transform D.C.’s urban forest this year by joining our team of volunteers. Our opportunities are now open and fill up quickly! There’s a reason why …
Will Washington’s future be gray or green?
Data is great. We love data! From numbers you can get a better picture of the strengths and weaknesses of all your hard work and even clues on where you …
Live, Work, or Know Someone in Ward Two? Track Seasonal Changes with Us!
The weather is out of whack these days: many fall events are delayed while signs of spring are popping up earlier than expected – and not all species are changing …
D.C.’s Parks through the Ages: Fort Reno Storymap
It is a massive understatement to say that D.C. and its parks are full of history. While the National Mall is often the site of some of the largest and …
Get Outside for Great Outdoors Month
Summer is the time to #EscapetheIndoors and connect with nature. This June during Great Outdoors Month®, get dirty with us, learn something new, and enjoy the plethora of outdoor activities …
Summer Volunteer Opportunities: Prune Cherry Trees, Measure and ID Park Trees, and more
A new season brings new opportunities to get outside and get involved with Casey Trees – even summer when we don’t plant! Whether you want to get your hands dirty, …