Boxwood Hardiness Trials
For many, boxwoods are synonymous with hedging and parterres of many European landscapes. Generally boxwoods prefer more loam, well-drained soils and often thought to...
CSU RESEARCH: Update – Some Proven Herbaceous Perennials from CSU Trials
Tania Lemus, Undergraduate Horticulture Student,
Colorado State University
At Colorado State University, we continue to evaluate herbaceous perennial performance at our Perennial Demonstration Teaching, Research Outreach...
Have You Heard About This Pine Killing Bug?
The pine wilt nematode is not something most of us in the Mountain West have heard of before. I personally came to learn about...
Plant Select® 2021 Introductions
Plant Select® is the country’s leading source of plants designed to thrive in the high plains and intermountain region. It is a nonprofit collaboration...
Legislative Preview
The First Regular Session of the 74th Colorado General Assembly convened on Jan. 9, 2023. The 2022 General Election didn’t change the make-up of...
2026 Colorado General Assembly Convenes
The Second Regular Session of the 75th General Assembly convened on Wednesday, January 14, 2026. Opening day featured the traditional remarks from leadership in...
Boxwood Hardiness Trials
By James E. Klett, Ph.D.
Professor & Landscape Horticultural Specialist
Colorado State University
For many, boxwoods are synonymous with hedging and the parterres of many European landscapes....
Why You Should Pay Attention to Noxious Weeds
At his last count, State Weed Coordinator Steve Ryder of the Colorado Department of Agriculture (CDA) set the number of regular old weeds found...
Pre-Emergent Herbicides for Container-Grown Ornamentals
CSU RESEARCH UPDATE
By James E. Klett, Ph.D., CSU Professor & Extension, Landscape Horticulturist; and Ronda Koski, CGG, Research Associate, Colorado State University
In the production...
Woody Plant Trials on Colorado’s Western Slope
By James E. Klett, Ph.D.
Professor & Landscape Horticultural Specialist
Colorado State University
As part of our multi-site woody plant trials throughout Colorado, one site is at...


















