Morris Arboretum

Morris Arboretum

Connecting people, plants, and place.

Notice: Our website is currently undergoing maintenance and information may not be current. For assistance please contact

Plant CLinic

Plant Clinic

Our free plant clinic service is accessible any time the Arboretum is open (10:00 - 4:00pm daily November-March, and 10:00 - 5:00pm on weekends April-October), by phone, or email.

The free plant clinic is best equipped to handle inquiries related to:

How to Submit Samples
Leave questions and/or specimens with a staff member at the front desk in the Widener Visitor Center. All samples should include a description of your observations or concerns, an email address and/or a phone number.

Inquiries may also be made through the Plant Clinic phone line (215.247.5777 ext.141) and email address (

All photographs sent via email should be accompanied by a physical sample left at the plant clinic during operating hours.

Diagnosis and Response
Diagnosis and response can take up to two weeks depending on the depth of the concern being handled.

Contact the Plant Clinic at or 215.247.5777 ext.141

Please Note:
Significant portions of plant material (several branches with clusters of leaves, flowers, and/or fruits or seeds) should be submitted to receive an accurate identification or diagnosis. Please avoid leaving single leaves or branches.

At this time, the plant clinic is unable to process soil and tissue samples.

Unfortunately the Morris Arboretum cannot endorse any third party or external agency unaffiliated with the University of Pennsylvania.

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Weather Alerts

The Arboretum is open as usual. Click here for hours.

Please note that weather conditions can change quickly, check back or call (215) 247-5777 before heading out for a visit.

Weather conditions may limit garden access to certain features even if the garden is open – please check the web site or call (215) 247-5777 for updates before visiting. Our visitors’ safety in the garden is our top priority. Therefore when inclement weather is predicted, we will make decisions about closing the garden accordingly.