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Best Practices help industry professionals avoid missteps and operate collectively for the greater good of our industry and our state.

GreenCO Best Management Practices (BMPs), are guidelines on how to reduce water consumption and protect water quality while producing, designing, installing and maintaining healthy, beautiful landscapes. The current BMPs as well as information on BMP Training can be found on the GreenCO website.  Additional water related information is available at the GreenCO website.

These materials were developed by GreenCO members in cooperation with Colorado State University Cooperative Extension, Denver Water, Northern Colorado Water Conservancy District and Wright Water Engineers. 

Pests Problems After the Storms

There are several pests of concern around structures after the recent floods: flies, cockroaches, nuisance invaders, mosquitoes, bedbugs, carpenter ants, wasps, molds & mildews, and rats & mice. CSU professors, Whitney Cranshaw, Matt Camper and Deborah J. Young compiled information on how to control these pests. Read more 


Alternatives to Ash

Emerald ash borer is responsible for the loss of tens of millions of Fraxinus, wreaking havoc on boulevards and growing fields alike. But a broad selection of shade trees is available, ready to serve as suitable substitutes. Read More 


Layers of Intrigue: Physocarpus and Powdery Mildew

Commercial cultivars of eastern ninebark vary widely in susceptibility to fungal pathogens. In a study conducted at the University of Connecticut, evaluation of popular selections showed which plants are relatively resistant to powdery mildew and which are prone to infection. Read More 



Water 


GreenCO Legislative Affairs


2014 Legislative Policy Priorities  

2013 Legislative Session Report 



Colorado Nursery Act

The glossary is provided to facilitate a clear understanding of terminology between the Colorado Measurement Standards Section and the green industry.


Japanese Beetle Update

January 14, 2014

Japanese beetle (Popillia japonica) has been located in several Western counties in Nebraska:  

First positive NAPIS data entry for the county

Pest Status Description: POSITIVE (PRESENT)

NOT KNOWN TO BE ESTABLISHED 

Observation date: 10/22/2013 NE – Box Butte County (borders Wyoming)

Observation date: 10/22/2013 NE – Burt County

Observation date: 10/22/2013 NE – Cheyenne County (borders Colorado)

Observation date: 10/22/2013 NE – Custer County

Observation date: 10/22/2013 NE – Polk County

Observation date: 10/22/2013 NE – Scotts Bluff County (borders Wyoming)

View the CAPS Survey Map. 

Japanese Beetle Quarantine Implementation

Colorado’s Japanese beetle (Popillia japonica) Quarantine has been in effect since January 1, 2010. How will the quarantine be enforced? What is required of Colorado’s nursery growers, producers and landscapers?


Front Range Tree Recommendation List©

The Front Range Tree Recommendation List© was developed through the collaborative efforts of 12 individuals, three from each of the four participating professional groups: the American Society of Landscape Architects (ASLA), the Colorado Nursery & Greenhouse Association (CNGA), municipal arborists representing the Colorado Tree Coalition (CTC), and the Colorado State University (CSU) Extension. Based on the committee’s collective education, knowledge, and experience more than 250 trees or varieties were evaluated and rated, resulting in a single reference list for professionals to use and share with their customers or residents. View and download the List.


GreenCO Tree Planting Recommendations

This recommendation, presented by a GreenCO committee in February 2012, is the result of collaborative work by industry professionals representing the Colorado Nursery & Greenhouse Association (CNGA), municipal arborists/Colorado Tree Coalition (CTC), American Society of Landscape Architects-Colorado (ASLA-CO), Associated Landscape Contractors of Colorado (ALCC), and Colorado State University (CSU).

The purpose of the project was to create a single recommendation for green industry professionals that was based on respected sources and decades of hands-on experience by professionals involved in the growing, siting, installation, and care of trees. Current research in addition to the experiences of those on the committee was used in the development of the recommendation. The collective intent was to ensure the best possible outcome for the planting of trees in the landscape.

To view, download and print the GreenCO Tree Planting Recommendations, click here.



Container Labeling

Colorado Standards for Container Labeling


Glossary of Weights and Measures Terms

National Standards for Container Marketing – This document was developed through a collaborative effort between industry representatives and Colorado Measurement Standards Section, the agency responsible for Colorado inspections. For those buying products outside Colorado, it is recommended that you advise them of the Colorado requirements. Educational enforcement will begin January 2007. State inspectors call on businesses selling green goods to learn more about the industry, evaluate, and assist the companies toward full compliance. Calculating Pot Volume – The part of a right circular cone between the base and a plane parallel to the base whose distance from the base is less than the height of the cone.

Height: h 
Radius of bases: r, R 
Volume = ð * h (R2+rR+r2) / 3