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...
CHREF Update
Big changes are in the works for the Colorado Horticulture Research and Education Foundation (CHREF). In addition to the continual funding of research, ongoing...
CSU Research: “Top Performer” Perennials from the 2022 CSU Flower Trial
In 2022, Colorado State University continued its three-year herbaceous perennial trial and chose eight perennials as the ‘Top Performers’ from 113 that were planted...
Industry Picks from the 2019 Annual Trial Garden
On Tuesday, August 6, more than 175 industry professionals and advanced Colorado Master Gardeners rated more than 1,050 flowering and foliage plants at the...
CSU RESEARCH: 2021-22 Cool Season Trials Top Picks for Off-Season Color
This was the fourteenth year that Colorado State University (CSU) has conducted Cool Season Trials at the Annual Flower Trial Garden. The overall goal...
Hellebores for Colorado
A robust, relatively new perennial to many Colorado gardens is the genus Helleborus (common name: hellebores). The leathery leaves, which are mainly evergreen, are...
Superior Herbaceous Perennials from Colorado State University
CSU RESEARCH UPDATE
By James E. Klett, Ph.D., CSU Professor & Extension Landscape Horticulturist; & David McKinney, CSU Undergraduate, Horticulture Major
Research continues on evaluating herbaceous...
The Ins & Outs of Importing: How to Work Well with...
Developing solid relationships, fostering good communication, and following strict protocols for maintaining plant health are the basis for success in importing plants and plant...
CSU’s Dr. Klett Retiring After 40+ Years
James Klett, Ph.D., became a faculty member at Colorado State University (CSU) in 1980, more than 40 years ago. By the simple fact of...
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...



















