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James Klett

Landscape Horticulture, Ornamentals, and Nursery Management

Jim Klett

601 S. Howes Street, USC 4th Floor- Room 414B
970-491-7179 office

 Research Interests:

  • Landscape Horticulturist with expertise in landscape plant material identification, culture and care.
  • Plant evaluation, both herbaceous (annual and perennials) and woody plants, for Rocky Mountains and High Plains area. Production and cultural research including water requirements for herbaceous and woody plants.
  • Coordinate several state and regional programs including Plant Select® and Planttalk Colorado.

 Courses Taught:

HORT 221 – Landscape Plants
HORT 321 – Nursery Production and Management
HORT 322 – Herbaceous Plants
HORT 466 – Urban & Community Forestry (team taught)


Extension & Outreach

Flower Trial Garden

Perennial Garden

Woody Plant Research

Plant Select

Planttalk Colorado


Selected Publications:

Rupp, Larry. R.,R. Anderson, J. Klett, S. Love ,J. Goodspeed. and J. Ginnel 2018 Native and adapted Plant Introductions for Low-Water Landscaping  Hort Technology 28(4) 431-435.

O’Connor A. ,Klett, J and Koski A.  2018  Container Type Affects Root Development of Chanticleer Pear (Pyrus Calleryana  ‘Glen’s Form ‘ During Landscape Establishment  Arboriculture and Urban Forestry 44(4) 164 -173.

Bousselot J.., Slabe. T., Klett J., and Koski, r. 2017 “ Photovoitaic array influences the growth of Green Roof Plants  Journal of Living Architecture 4(3) 9-18.

Brown Shana A. and James E. Klett 2020     Impacts of Growth Substrates and Container Size on cutting production from Snow Angel Coral Bell Stock Plants.  Hort.  Technology In Press


Klett, James and David Staats and Sean Markovic 2019 Annual Flower Trial Report  263pages

Klett, J. and Koski, R. 2012. Weed Control in Container-Grown Herbaceous Ornamental Plants. Hort Science. Supplement 47(9) ps 330.

O’Connor, A., Klett, J. and Koski, A. 2012. Nursery Tree Production and Transplant Success of Pyrus calleryana ‘Glen’s Form’ (Chanticleer). Influenced by Container Types and Overwintering Treatments. Hort Science. Supplement 47(9) ps 203.

Bousselot, J., Klett, J. and Koski, R. 2012. Evaluating a Natural Zeolite as an Amendment for Extensive Green Root Substrate, Journal of Environmental Horticulture. 30(4):201-206.

Klett, J., Bousselot, J. and Koski, R. 2012. Evaluation of Green Roof Plants and Materials for Semi-Arid Climates, EPA-National Center for Environmental Publications. EPA/600/R-12-592. 78 pages.

Klett, J. 2012. 2012 Flower Winners. CSU Research Update, Colorado Green. 28(1):16-17.

Klett, J. 2012. 2012 Superior Annuals. CSU Update CNGA Looseleaf. 30(6) 16-18.

Klett, J. 2012. Exceptional Woody Plants. CSU Research Update, Colorado Green. 28(4)10.

Klett, J. 2012. Horticulture Related Water Studies. Colorado Water. 29(2) 6-7.


Curriculum Vitae

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