Turfgrass Diagnosis

How should you collect a sample?

• Collect samples of turf showing the symptoms of concern that is at least 4 inches by 4 inches square and 3 inches deep. Include roots, thatch, and soil!

What information should you provide?

• Personal contact information (address, phone, fax, email)

• Detailed information about the problem:
  • When was problem first noticed?
  • Is the problem spreading, and how fast?
  • How many plants are affected?

• Detailed information about the turf and its cultural care:
  • type of grass, age
  • site description (drainage, exposure, weather), irrigation
  • pesticide and fertilizer use (type, rate, date)

Download appropriate form:
For Turfgrass Diagnosis, use Form C1048

How much does this service cost?
Turfgrass Diagnosis.................….……… $25
Expedited Golf Course Diagnosis……..… $50

Note: Special tests may incur additional fees.

We accept payment by cash or check only. Please make checks payable to WSU Puyallup Plant Clinic.

How should you package your specimens for shipment?

• Use a sturdy box for shipping. Include padding to prevent injury to sample during shipping.

Where should you submit your samples?
Mail packages to:

WSU Puyallup Plant Clinic
7612 Pioneer Way E
Puyallup, WA 98371-4998

Please DO NOT mail on a Friday or before any national holiday because the specimens may deteriorate in transit or over the weekend.

In person: The Plant Clinic is open Monday through Friday from 8:00 am to 4:30 pm.

Click here for map and directions.