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Gwen K. Stahnke

Associate Professor / Extension Turfgrass Specialist

Washington State University
2606 W. Pioneer
Puyallup, WA 98371
Off. Ph. 253-445-4513
FAX 253-445-4569


Curriculum Vitae

B.S. in Ornamental Horticulture, University of Illinois, 1977
M.S. in Agronomy, Texas A&M University, 1981
Ph.D. in Horticulture/Forestry, University of Nebraska-Lincoln, 1989

Principal Duties
Planning and implementing extension programs devoted to turfgrass improvement. Applied turfgrass research projects and interdisciplinary research projects with faculty from other departments and universities. Teaching of one online 3-hour environmental issues course taught in odd numbered spring semesters, as well as Turf Bowl training for turfgrass undergraduates every fall semester.

Integrated management research for turfgrass systems, which includes control practices and timings for European and common crane flies, disease control options,  grass types for improved golf and sports turf surfaces under wear and evaluation of turfgrasses and their management systems for water and energy conservation.

Future Program Goals
Continued improvement in distance education for both undergraduate and graduate  courses for turfgrass students and professionals, improved inderdiscplinary research and extension for the PNW and on site research for golf courses, sports turf and home owner lawn areas.

Significant Program Achievements
USGA Fate of Nitrogen on Putting Green Study, increased emphasis on IPM and Best Management Practices in Turfgrass Systems.

Honors and Awards
Cambridge Who’s Who 2010 Turfgrass Education Professional of Excellence
Premiere Who’s Who 2009 Executive and Professionals Registry
Researcher of the Year for Seed Research of Oregon in 2003 and 2008.
Co-Recipiant of 1st Musser International Foundation Turfgrass Scholarship.

Stahnke, G.K., A.L. Antonelli and D.C. Peck. 2012. European and Common Crane Flies. Entomology Society of America Insect Handbook, pp. 35-38. APS Press, St. Paul, MN.,

Stahnke, G.K., C.G. Cogger, E.D. Miltner, R.A. Luchterhand and R.E. Bembenek. 2013. Phosphorous Availability In Turfgrass Root Zones After Applications of Organic and Synthetic Nitrogen Fertilizers. Applied Turfgrass Science.

Proctor, C.A., W.J. Johnston, C.T. Golob, G.K. Stahnke and M.S. Williams. 2012. Topdressing sand color, aeration timing, and cultivation method effects on disruption of a creeping bentgrass golf green in the Intermountain Pacific Northwest. Applied Turfgrass Science. Under Review.

Stahnke, G.K. (2010). Chapter 9: Lawns. In Toni Fitzgerald (Eds.), Master Gardener Manual (1st ed., pp. 9-1 to 9-28). Pullman, WA: WSU Press.

Stacey, N.E., Stahnke, G.K., Elliot, M., Coats, K. 2012. Further Identification of Pythium species causing damage to Poa annua L. golf greens in the PNW. In Agronomy Abstracts, ASA Annual Meeting, Cincinnati, OH, ASA, Madison, WI.

Stacey, N, Stahnke, G.K., Elliot, M. Coats, K. & Miltner, E.D. 2011. Identification of Pythium species causing damage to Poa annua L. golf greens in the PNW. In Agronomy Abstracts, ASA Annual Meeting, San Antonio, TX, ASA, Madison, WI.

Stahnke, G.K., Ophardt, M.C. and Johnston, W.J. 2012. Kentucky Bluegrass for Use in Home Lawns in WA., FS098E. pp.2.

Stahnke, G.K. and Ophardt, M.C. 2012.-535 Buffalograss for Use in Central Washington., pp. 3 (In Press)

Murray, T.A., E. LaGasa and G. Stahnke. 2012. Pest Alert: European Chafer. Washington State University Extension Factsheet, FS0626.

Stahnke, G.K., PNW Weed Management Handbook. 2012. Turfgrass Weed Control       Chapter. pp. S1-S22.

Stahnke, G.K.and Neil Bell. PNW Insect Management Handbook. 2012. Turfgrass Insect Control Chapter, pp.232-237.

Stahnke, G.K., Miltner, D. Cogger, C.G., Collman, S.J., Glass, J.R., Ophardt, M.C. and Tillery, M.M. 2011. FS058E Phosphorus and Home Lawns: Quick Facts and Recommendations., pp. 3

Stahnke, G.K., PNW Weed Management Handbook. 2011. Turfgrass Weed Control       Chapter. pp. 322-337

Stahnke, G.K., PNW Insect Management Handbook. 2011. Turfgrass Insect Control Chapter, pp.

More publications (pdf)

Related Page

Cambridge Who’s Who

Gwen K. Stahnke Recognized as Dedicated Professional in Science-Based Turfgrass Education

Gwen K. Stahnke, Associate Professor for the Department of Crop and Soil Sciences at Washington State University, has been recognized by Cambridge Who’s Who for demonstrating dedication, leadership and excellence in turfgrass science. Read more.