The WashU Arboretum makes 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.
News & Announcements
June Blooms
June 26 Despite the recent extreme temperatures that have kept the people of WashU mostly inside, the landscape on campus is thriving – east of Lopata Hall, WashU’s daylily collection is in full bloom. WashU boasts more than 200 different varieties of these perennials. Visitors to campus will find them in bloom in June and […]
Danforth Campus suffers moderate damage in St. Louis storm (Links to an external site)
WashU’s Danforth Campus suffered moderate damage during severe weather in the St. Louis metropolitan area May 16. Crews have been working throughout the weekend to remove fallen trees, assess tree damage and clean-up debris. More information about the WashU Arboretum will be shared at a later date.
Bloom Photos of the Week
May 14 Ashe’s Magnolia Between Rebstock and Wilson, there are a cluster of Ashe’s Magnolia with fragrant, large-cup shaped flowers in bloom. Ashe’s Magnolias are native to North America and much larger than most Magnolia species. Hillman Hall: Calares Garden Terrace Did you know there’s green roof on the third floor of Hillman Hall? Visitors will find […]
Campus tree benefits & services
7,076
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 over 240,000 lbs of CO2-equivalent. They also remove over 1,700 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.
Upcoming Events
NEW DATE – Event: TreeKeepers Workshop – July 17, 2025
NEW DATE 10 a.m. to 12 p.m. SCHNUCK PAVILION 202 The WashU Arboretum and Forest ReLeaf, a local nonprofit, are hosting a TreeKeepers course for the WashU community. The TreeKeepers workshop is a condensed version of Forest ReLeaf’s 6-week tree care course. The workshop will cover the basics of tree biology, identification, planting, and maintenance […]