The Morris Arboretum

The Morris Arboretum of the University of Pennsylvania is a historic public garden and educational institution. It promotes an understanding of the relationship between plants, people and place through programs that integrate science, art and the humanities.

The Arboretum conducts four major activities: education, research, outreach, and horticultural display. As the official Arboretum of the Commonwealth of Pennsylvania, the Morris Arboretum of the University of Pennsylvania provides research and outreach services to state agencies, community

More than 12,000 labeled plants of approximately 2,500 types are growing in the Arboretum’s living collection. These include representatives of the temperate floras of North America, Asia, and Europe. This historic collection traces its foundation to John Morris’s interest in plants from around the world, and includes plants collected in China by E.H. Wilson at the turn of the century. Many of the Delaware Valley’s “trees-of-record” (the largest of their kind) are found in the Arboretum. Most notable are the katsura, Engler beech, Bender oak, and trident maple.

Special Events for Spring 2019

Winter Wellness Walks
January to March

SATURDAYS 10:30am - 11:30am
SUNDAYS 1:00pm - 2:00pm
Visitor Center
Included with garden admission.
Led by an experienced Volunteer Guide, these brisk walks will stick to the paved paths and get your heart rate up.

Storytime at the Arboretum

10:30am - 11:00am
Included with garden admission.
Join us for fun and engaging reading sessions with local librarians. Each session is tailored to the changing seasons and complements the natural setting of the Arboretum. Storytime is held outdoors in nice weather, at the Outdoor Children's Classroom, next to the Widener Visitor Center. In the case of inclement weather, Storytime is held in the side tent or classroom at the Visitor Center.

Cherry Blossom Days

SATURDAYS, APRIL 13 & 20, 2019  | 10:00am - 3:00pm
Included with garden admission.
In the early 20th century, John and Lydia Morris (founders of the Morris Arboretum) established one of the finest collections of Japanese plants and gardens in the region at their home, Compton, which would later become the Morris Arboretum. Commemorate this heritage and experience the beauty of Morris Arboretum’s cherry tree collection in bloom during Cherry Blossom Days. Both Saturdays will feature traditional Japanese cultural activities.

Early Bird Weekends

Open at 8:00am
Included with garden admission.
If you’re up with the sun, start your day with an early morning visit to Morris Arboretum. The garden opens at 8am on Saturdays and Sundays in May through September. Members, non-members, walkers, amateur photographers and everyone in between are invited to find the shining dew on more than 12,000 labeled plants in the Arboretum’s living collection.

Vision for the Future

The Morris Arboretum of the University of Pennsylvania is an important resource for extending an appreciation of the world's ecology, and an understanding of the importance of plants to people, in a biological, cultural, historical and aesthetic context.

Morris Arboretum • 100 East Northwestern Avenue • Chestnut Hill, PA
For more information, call: 215.247.5777, or visit