Marking Howard University’s Sesquicentennial
In 1867, nine historically black colleges and universities (HBCU) were founded. One of those is the District’s very own Howard University. In celebration of its sesquicentennial and the legacy of …
THE LEAFLET
What’s In Store for Trees after All this Wacky Weather Pt. II
Considering we’re halfway through October (can you even believe it?!) you would think the country would be awash with gorgeous fall colors from changing leaves on trees. Think again – …
Colorful Leaves = Identifiable Trees
With no humidity in sight and temperatures dropping that means one thing: Fall has finally come to the District! Lucky for us fall brings something other than pumpkin flavored everything …
Enjoy Fall Without Any Pumpkin Spice: Just Follow Our Foliage Map
Our Technical Services and Research team does some pretty cool stuff throughout the city. One of which is mapping most of the trees! With the data you can do a …
D.C. Maps You Didn’t Even Know You Needed
Did you know D.C. publishes a lot of data and maps online? We stumbled across a few of these and had to share! These will help take your localized tree …
We’re Partnering with the Anacostia Watershed Society for a Backyard BioBlitz
Help Casey Trees and the Anacostia Watershed Society document our local tree species at this year’s Bioblitz on September 24! How many different tree species inhabit the Anacostia Watershed? We’re …
Come and Lend a Hand at these Fall Inventories
Can you believe it is almost the end of August?! Fall signifies quite a lot of things, but around here, it means our fall volunteering season opens! Join our Technical …
Invasive Bug Found on Theodore Roosevelt Island
Theodore Roosevelt Park, a wooded island in the Potomac River is under attack by Emerald Ash Borer (EAB) – a small green beetle from East Asia that is a real …
i-Tree Eco: Quantifying the Value of Our Urban Forest
Hopefully, we all know the benefits of a healthy urban canopy – between shade, beautifying communities, stormwater management, mitigating climate change, trees do a lot for us. But how can …
Surprise! Are Cicadas Back?
Every 17 years, the D.C. area is overrun by cicadas. But this spring, thousands of them are showing up four years ahead of schedule. This seemingly unusual event can be …
There’s an App for That – Best Apps for Tree Care
Between ordering groceries, tracking your steps, or staving off boredom, there is a phone app for practically everything these days. Here are 5 apps to help you tree D.C. DC311 …
Weekly Watering Alerts
Just like Stella and her Grove, Weekly Watering Alerts are back! Beginning today until the last week of September we’ll be issuing weekly watering alerts for trees every Leaflet and …
Collective Knowledge: Why Casey Trees and UFA Road Tripped to Trees NY
Did you know we have a pilot Citizen Pruner Program with the Urban Forestry Administration (UFA)? The goal of this program is to help us execute the ‘protect’ part of …
Impress Your Friends…
Does this sound familiar? You find yourself walking around a park, on a hike, or shuffling to work, and you come across a beautiful, unusual, large, or odd tree. Do …
National Mall Tree Inventory Map
Check out this map of where we were, and all the trees we inventoried thanks to all our volunteers! View Full Screen Map by Zoe Davis Stay tuned for a …