Thursday, December 17, 2009


In April 2009, Casey Trees launched the Casey Trees Map, an interactive online tool to help users determine the existing Urban Tree Canopy (UTC) and planting opportunities for any address in the District and identify every tree Casey Trees has planted since 2003.

Just today in a soft launch we rolled out an enhanced version of Casey Trees Map featuring our new Trees of Note program and Add-A-Tree feature.

Trees of Note is a program that connects people to trees in the District deemed special because of their size, history and/or personal significance. Anyone can nominate or locate trees in three distinguished categories – Big Trees, Witness Trees and My Tree.

  • Big Trees are those valued for their sheer size and eligible for nomination to the National Register of Big Trees. The Register lists 826 species of trees. So far DC only has one Champion Tree, located on the U.S. Capitol grounds. Can you find another?
  • Witness Trees are trees present during a historical event or period. Frederick Douglass mentioned the White oak on his front lawn in his journal entries. Think of what that tree saw.
  • My Trees are those with personal meaning. This can be a tree you think has the prettiest blossoms in your neighborhood or even one you got married under. If it is special to you, we want to know about it.
Trees in DC are nominated to the Trees of Note program using the new Casey Trees Map point and click Add-a-Tree feature. The Add-A-Tree feature also allows you to add trees to the Casey Trees Map that you have recently planted in the District. Trees that you add to the map will count towards the City’s Urban Tree Canopy Goal of 40 percent by 2035.

In spring 2010, we will add a new tool that will allow you to update or delete a tree’s information in the event the tree has been removed or misidentified.

Nominating or adding a tree is easy to do own your own but I’ll walk you through the basic steps.

  • To start, go to The Casey Trees Map is found under Geographic Resources -> Interactive Maps.
  • Simply hit the ENTER button on the opening screen. The second screen provides you with basic prompts including a PAGE HELP button. When you are ready, hit the CLOSE button.
  • To nominate or add a new tree zoom in on the map using your mouse or the zoom tool in the left corner until the button at the top right of the map labeled ADD TREE fills in.
  • Go ahead and click it. Next choose what type of tree you want to add. The button on the left is for trees you have planted, the one on the right is for the Trees of Note program.
  • Scroll on the map to the approximate location you believe the tree is locate and click your mouse. A short form asking you a few questions about the tree will pop up immediately.
  • Fill out the form to the best of your knowledge. If you do not know the genus or species, you may select OTHER from the drop down bar. You may also add a photo. The more information you provide the easier the tree will be to find and confirm.
  • You're done!
What happens after you take the time to add a tree to the Casey Trees Map? A Casey Trees Citizen Verifier will visit the tree and confirm the information submitted. If the nominated tree is on private property the Citizen Verifier will arrange a time that is convenient for you to come out.

The District is much more than bricks and mortar. We hope the Casey Trees Map and Trees of Note program better connects you to the City’s trees, encourages you to visit the neighborhoods these trees are in and gets you to help protect and care for existing trees so we may have more Trees of Note in the future.

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