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Plant Diagnostic Clinic   arrow

Jefferson County Plant Diagnostic Clinic

woman looking in microscope at plant sample

The CSU Extension – Jefferson County Plant Diagnostic Clinic will be going on Winter Break beginning Tuesday, Nov 15, 2022.  During the break, please submit samples to the CSU Plant Lab at the SPUR:

CSU Plant Diagnostic Clinic

T-316 Terra Building
CSU Spur
4780 National Western Drive
Denver, CO 80216

Get CSU Spur Directions

Voice: (970) 491-6950

Who We Are

CSU Extension/Jefferson County Plant Diagnostic Clinic consists of paid staff and volunteers with specialized training in plant problem diagnosis. The facility is equipped with microscopes and other diagnostic tools for fungal and bacterial culture; some virus testing and pine wilt nematode detection.

Who We Serve: Everyone!

  • Homeowners
  • Landscape maintenance/consultants
  • Landscape contractors/architects
  • Turfgrass (lawn, golf course, sod growers)
  • Arborists and nurseries
  • Vegetable and herb growers
  • Garden centers

What We Do

  • Identify causes of plant problems including insect, disease and environmental issues.
  • Identify landscape weeds and plants
  • Recommend management strategies for pest problems
  • Identify home lawn problems
  • Help you save money by avoiding unnecessary pesticide applications
  • Provide information on pesticide alternatives

Common Plant Problems of Jefferson County 


Jefferson County Plant Diagnostic Clinic
15200 W. 6th Ave. Frontage Rd., Unit C
Golden, CO 80401-6588
ph: 303-271-6620
fax: 303-271-6644

Keeping ahead of COVID-19

This rapidly evolving coronavirus (COVID-19) has imposed an unsettling, fluid situation upon our community and its businesses. While the team here still aims to maintain a “business as usual” approach, we are making a number of significant changes to our operations to account for a situation that is far from normal.