How to Help Customers with Weed Problems
There’s never a dull moment in the weed world, professes State Weed Coordinator Steve Ryder of the Colorado Department of Agriculture (CDA), adding that...
Top Picks for Off-Season Color
In the 2018–19 Cool Season Trials, we evaluated 122 varieties. They were planted in late October 2018, and grown in our trials till early...
Mengmeng Gu is New HLA Department Head
Colorado State University (CSU) welcomes Mengmeng Gu, Ph.D., as the new Horticulture and Landscape Architecture (HLA) department head in the College of Agricultural Sciences....
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...
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...
‘Best Of’ Annuals From 2023 Season
On Aug. 8, 2023, over 250 Industry and Master Gardeners gathered at the Colorado State University (CSU) Annual Trial Gardens to judge close to...
Some Superior Woody Plants to Consider for 2018
CSU RESEARCH UPDATE
By James E. Klett, Ph.D., CSU Professor & Extension Landscape Horticultural
Research continues at Colorado State University on evaluating new woody plants...
Plant Select® Introductions & Top Performers from the Past
Three Featured 2019 Plants
Plant Select® is the country’s leading source of plants designed to thrive in the high plains and intermountain region. It is...
Update on Heritage Arboretum at Colorado State University
The Heritage Arboretum on the Colorado State University campus is located at 820 West Lake Street, directly west of Canvas Stadium. The arboretum is...



















