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...
CUSTOMER RELATIONS 101: How to Get the Most out of ...
Ours is a quick-moving, no-nonsense business. When we are in the heat of the season, there is little time for a lot of hand...
Top Annuals from CSU Annual Flower Trials
By James E. Klett, Ph.D.
Professor & Landscape Horticultural Specialist
Colorado State University
During the week of August 3, 2020, only about 90 professionals evaluated the Annual...
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....
The True Value of a Tree
A common question from customers, both retail and landscape contractors, is “Why are trees so expensive?” On the surface, it is a difficult question...
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...
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...
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...
Consumer Favorites from 2019 Annual Trial Gardens
On Saturday, August 10, we invited the public from Colorado to visit and judge over one thousand different annuals from 25 different companies from...
Green Industry Legislative Priorities 2026
Colorado General Assembly – 2026 SessionThis document outlines GreenCO’s legislative priorities and policy positions for the 2026 Colorado legislative session. GreenCO will remain proactive,...



















