DIAGNOSING YOUR PLANT

Our free plant clinic service is available from 1-3pm Monday-Friday at (215) 247-5777 ext. 141, or visit us in the Widener Visitor Center at the Morris Arboretum (directions). Samples you wish to be evaluated can be dropped off from 10am-4pm. Leave all samples in the Visitor Center with a description of your observation or concern, and how we can reach you.

  1. Identify where on your plant you are seeing a problem.
  2. From the following list choose the area (trunk, leaves, etc.) and look for a description close to the symptoms that your plant is  exhibiting.
  3. Follow the links to learn more about the possible causes of your plant's problem.
Leaves

Yellowing/browning

Stippling (white to yellow flecks on leaves) Odd looking patterns on leaves Spots/blotches or powdery covering Pimple-like, or other bumps on leaves

Chewed edges
Branches/twigs

Dieback

Yellowing/browning Insect feeding damage Odd growths on branches, trunk or twigs
 

 

Trunk

Sap oozing

Water sprouts/suckers Fungi on or at the base of the trunk

Woolly specks on surface of beech

 

Roots

 

 

Flowers/Fruit

 

 

Whole Plant

Wilting

Decline

Photographs:  Asian longhorned beetle photograph is borrowed from USDA Forest Service
                        All other photographs were created by Dr. Ann Rhoads, Carla Hetzel or S. Eisenman and may be used for
                        educational purposes.

This web site was created for the Morris Arboretum of the University of Pennsylvania's Plant Clinic by C. Hetzel
and revised by S. Eisenman on 3/6/02.
URL = http://www.upenn.edu/PaFLORA/Plantclinic/diagnose.html