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...
Training for CNGA members – Certification and Beyond
The Colorado Nursery and Greenhouse Association (CNGA) has always held education, training, competence, and professionalism in high regard. The mission statement is: “CNGA creates...
Tree Expert Dan Burcham, Ph.D., Joins CSU
Daniel Burcham, Ph.D., joined CSU’s Horticulture and Landscape Architect (HSA) department about 1.5 years ago as the university prepared for the retirement of Jim...
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...
GREENHOUSE BEST MANAGEMENT PRACTICES: Reducing Scale & Biofilms in Greenhouse Irrigation...
Scaling from dissolved and suspended solids in irrigation water reduces the efficiency of greenhouse irrigation systems. Water deposits and biofilms inside pipes reduce water...
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...
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...
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...
Plant Select 2020 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...



















