Clinic Services Update (1/1/25)
Visit our Digital Diagnosis page to submit photos for a digital diagnosis. A $25 fee applies. Visit our Sample Collection and Submission page for details on the clinic’s current physical sample submission process. Prices vary for this service. For a complete list of fees, visit our Fees page.
If you are from outside Wisconsin, please contact the PDDC *before* you submit a sample.
You may have noticed that we removed the menu at the top. If you have trouble finding things, check out our “Where’d It Go” page to see a cross-reference table comparing the old and new menus.
You may have noticed that we removed the menu at the top. If you have trouble finding things, check out our “Where’d It Go” page to see a cross-reference table comparing the old and new menus.
Mailing Address
Plant Disease Diagnostic Clinic (PDDC)
Department of Plant Pathology
University of Wisconsin-Madison
1630 Linden Drive
Madison, Wisconsin 53706-1598
Questions?
If you have questions, please contact us at:
Hours
- Sample Drop-Off Hours (Russell Labs Hours)
~6:00 am – ~5:00 pm, Monday – Friday
(excluding UW-Madison holidays) - Clinic Staff Hours
8:00 am – 4:00 pm, Monday – Friday
(excluding UW-Madison holidays)Clinic staff often may be out doing outreach work or may be working on samples in other rooms in Russell Labs. If you would like to talk with a PDDC staff member when you submit your sample, please call or email ahead to verify staff availability.
- Special Hours
Saturdays (by appointment)
Campus Map
Aerial Building Map:
Directions – From the West
- From U.S. Hwy. 12 or U.S. Hwy. 14, take University Avenue east onto campus.
- Turn left (north) onto Charter Street.
- Turn left (west) onto Linden Drive.
- Travel west to the intersection of Linden Drive and Babcock Drive. Russell Labs is the building on the northwest corner of this intersection.
- Parking:
- Parking Meters
There are parking meters available on Linden Drive across the street from Russell Labs, near the Babcock Dairy Store. - Parking Ramp
Longer-term parking is available in the parking ramp (Lot 36) located on the north side of Russell Labs on Observatory Drive (across the street from the Allen Centennial Gardens).
- Parking Meters
- Come in the entrance show above. The Plant Disease Diagnostics Clinic (PDDC) is in Room 183, on the right side of the hallway
Directions – From the East
- From Interstate 90, take U.S. Hwy. 14/18 (the “Beltline”) west.
- Take the Park Street exit north into the city.
- Turn left (west) onto University Avenue.
- Turn right (north) onto Charter Street.
- Turn left (west) onto Linden Drive.
- At the third stop sign you will be at the intersection of Linden Drive and Babcock Drive. Russell Labs is the building on the northwest corner of this intersection.
- Parking:
- Parking Meters
There are parking meters available on Linden Drive across the street from Russell Labs, near the Babcock Dairy Store. - Parking Ramp
Longer-term parking is available in the parking ramp (Lot 36) located on the north side of Russell Labs on Observatory Drive (across the street from the Allen Centennial Gardens).
- Parking Meters
- Come in the entrance show above. The Plant Disease Diagnostics Clinic (PDDC) is in Room 183, on the right side of the hallway.
Special Notes
- Due to construction, call the PDDC for up-to-the-minute driving and parking information.