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...
Shelf Pretty vs. Landscape Strong
Providing a sustainable product
It’s no secret that growing plants in Colorado is not an easy feat! Our soil, wind, and variable temperatures make this...
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...
CHREF Scholarship Winners Announced
By Mike Schleining, CCNP
CHREF Board Member
2015-16 & 2016-17 CHREF Scholarship Recipient
As you know, the Colorado Horticulture Research and Education Foundation (CHREF) relies on fundraisers...
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,...
The Foundation: CSU Funding Options are a High Priority
The CHREF Board of Directors met on March 9th to discuss business with new directors as well as funding for CSU initiatives beyond the...
BEST MANAGEMENT PRACTICES FOR PESTS: Rampant Fire Blight in 2018
For the last 30 years every spring and summer, customers have been bringing their fire blight samples to Phelan Gardens and Earth Expressions Landscape...
Multi-Site Woody Plant Evaluation Update
By James E. Klett, Ph.D.
Professor & Landscape Horticultural Specialist
Colorado State University
The multi-site woody plant evaluation project continues to gather data on woody plant performance...
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....
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....



















