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 2018

Wellness Walks

Saturdays & Sundays, November through March
Saturdays: 10:30am - 11:30am
Sundays: 1:00pm - 2:00pm
Widener 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.

Welcome Spring Walk

Included with garden admission.

Spring officially arrives at 12:15pm today. Celebrate by taking a guided lunchtime walk through the garden to spot the signs of spring. Meet in front of the Visitor Center.

Collections Breed Success at the National Arboretum
Dr. Richard Olsen, Director, U.S. National Arboretum

Members: $15; Non-Members: $20

From your old favorite azalea, to your new favorite hydrangea, the National Arboretum’s plant breeding and exploration programs have contributed to diverse and sustainable American landscapes.

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