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....
CHREF Update
CHREF Donates to Three CSU Hort Research Projects
The Board of Directors of the Colorado Horticulture Research and Education Foundation (CHREF) would again like to...
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...
‘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...
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...
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...
Consumer Picks from 2021 Annual Flower Trials
By James E. Klett, Ph.D.
Professor & Landscape Horticultural Specialist
Colorado State University
On Saturday July 31, 2021, the Colorado State University Annual Flower Trial Garden hosted...
Winter Interest with Plant Select® Plants in the Western Garden
Landscapes in the western garden should be intriguing, catching the light, glistening with frost all while sturdy under the weight of snow. The Plant...
Woody Plant Research Update for 2023
Yearly, researchers at Colorado State University (CSU) evaluate over 1,300 taxa of woody plants for adaptability, ornamental flowers, fruit, fall color and pest problems....


















