The WashU Arboretum collection of trees and green space are an integral part of the college experience. They make campus more livable, healthy, and beautiful, benefiting students and the environment as a whole.
Explore our campus trees
Visit Tree Match
A learning tool used to visually identify a tree developed by Toby Utterback, Amee Rothman, and Travis Phulnauth.
Arbor walking tour
The WashU Arbor Walk is a self-guided tour highlighting 109 trees on campus which can be taken at any time during the year. The complete walk is about 3 hours long consists of around 9,800 Steps or 4.90 miles.
Campus tree benefits & services
6,586
trees on campus per treekeeper
5M
gallons of water saved
125,329
KWH saved by shading buildings
These trees reduce our greenhouse footprint by sequestering 252,417 lbs of CO2 and helping us avoid release of another 432,240 lbs. They also remove 2,689 lbs of other pollutants from the air.
WashU is one of only ten colleges and universities in Missouri to gain annual recognition as a Tree Campus Higher Education.
WashU holds a Level 3 accreditation by the ArbNet Arboretum Accreditation Program for achieving standards of professional practices deemed important for arboreta and botanic gardens.