A new online feature to help identify fall leaves. Learn about the season's classic colorful gems or discover a few special finds!
Our free plant clinic service is available from 1:00 - 3:00pm Monday-Friday (except Thursday), located in the Widener Visitor Center.
Samples you wish to be evaluated can be dropped off from 10:00am - 4:00pm. Leave all samples in the Visitor Center with a description of your observation or concern, and how we can reach you.
Contact the Plant Clinic at firstname.lastname@example.org or 215.247.5777 ext.141
Department of Botany at Morris Arboretum.
Revised & Updated (2010), with More Species and Expanded Control Guidance provided by the National Park Service and U.S. Fish and Wildlife Service.
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For the safety of our visitors and to preserve the structural integrity of our tree collection, climbing or sitting on the limbs of trees is not permitted. Thank you!
The paths around the wetland will be closed on Thursday, September 21st and Friday, September 22nd for invasive plant management work in the area. Thank you for your patience during this time. Click here for hours.
Please be advised that the Rose Garden is closed on Thursday mornings for maintenance.
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.