Plant Disease Clinic

The Plant Disease Clinic is a service and education function of the Department of Plant Pathology and Environmental Microbiology, and provides clinical diagnoses of plant diseases for approximately 2,000 samples submitted annually by Pennsylvania agricultural producers, urban gardeners, and homeowners.

COVID-19 Update March 24, 2020

The Penn State Plant Disease Clinic is still accepting samples, however we will be operating on limited lab hours. At this time we are prioritizing samples of life-sustaining crops/plants (e.g. field crops, vegetables, tree fruit, small fruit etc.)

We are now accepting digital sample submission and encourage submission of photos before sending samples. Samples can be mailed to the clinic via US Mail, FedEx and UPS. Penn State's buildings, including Buckhout Lab, are closed to the public. Samples can be hand delivered and left in the sample bin located at the east entrance of Buckhout Lab (off Shortlidge Road.)

Please see below for instructions on submitting samples through these methods.

Digital sample submissions

We are now accepting digital sample submission and encourage you to submit photos before sending samples.

  1. Download and complete the fillable Specimen Information Form.
  2. Email the completed form along with photos of your plant problem to PlantClinic@psu.edu.

Mailing Samples

  1. Contact the Clinic at PlantClinic@psu.edu or 814-865-2204 to let us know you are sending a sample.
  2. Ship samples via US Mail, FedEx or UPS and get a tracking number for your package. Send us your tracking information (tracking number, estimated arrival date). For more information on how to collect and package your sample see our instructions for selecting and sending specimens.

Dropping off a Sample at the Lab

Digital and mail samples are preferred at this time. If you need to drop off a sample at the lab follow the instructions below.

  1. Place samples and your filled out Specimen Information Form in the plastic bin located at the east entrance of Buckhout Lab (off Shortlidge Rd). Please make sure that all samples are clearly labeled. There are extra copies of the Specimen Information Form in the bin.
  2. Contact the Clinic at PlantClinic@psu.edu or 814-865-2204 to let us know you have dropped of your sample.