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...
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...
Deciduous Trees for Winter Interest
Often when people think of trees in winter naturally the first image that comes to mind is that of evergreen conifers such as spruce,...
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...
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...
Green Roof Weed Management: Pendulum 2G Pre-Emergent Herbicide Damages Green Roof...
Green roofs can provide many benefits to urban communities, including reduction of urban heat island effect, reduction in building cooling costs, improvement in air...
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....
Creating Desirable Outdoor Living to Maximize Property Values
It’s no secret Coloradans love the outdoors. Outdoor living spaces are important for Colorado homes. While there is no one-size-fits-all answer to creating the...
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...



















