Plant Imports

• Imported Fire Ant (IFA) information
• Red imported fire ant information 

• Spongy moth (formerly named European Gypsy Moth)

States and provinces regulated: Maine, Vermont, New Hampshire, Massachusetts, New York, New Jersey, Rhode Island, Connecticut, Pennsylvania, Delaware, Maryland, Washington DC, Virginia, West Virginia, Ohio, Michigan, Indiana, Minnesota, Illinois, Wisconsin, Kentucky, Ontario, Quebec, New Brunswick, and Nova Scotia.

• Asian Long-horned beetle information

States and provinces regulated (portions of): Nassau and Suffolk counties, New York; Worcester County, Massachusetts; Clermont County, Ohio; Charleston County, South Carolina 

• Japanese Beetle information
• Japanese Beetle quarantine (PDF)
• CDA's Japanese beetle quarantine page
• Shipment of Turf, Nursery Stock, Bedding Plants to Western States

The Japanese beetle Quarantine, 8 CCR 1203-21, helps slows the progression of the insect and prevent new Colorado introductions.  

Nursery stock may only enter Colorado if treated with certain insecticides or certified to be Japanese beetle free. Effective December 30, 2016, nurseries and landscape contractors in Front Range counties now need to make sure plant material that is grown or held within the Front Range is certified Japanese beetle free before transporting to other areas of the state.  

States and counties regulated:

• States and provinces: of Alabama, Alaska, Arkansas, Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin, the District of Columbia, the Provinces of Ontario and Quebec, Canada.
• Colorado counties: of Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, El Paso, Jefferson, Larimer, Pueblo, and Weld.

States regulated: All States

Material regulated: Seed Potatoes

Restrictions:

• Seed potatoes imported into the San Luis Valley of Colorado shall be certified and accompanied by a certificate attesting to the absence of late blight and which shows proof of field inspection and documents that a representative sample of tubers from the loads was tested for late blight. 
• Any loads not accompanied by a certificate shall not be unloaded and shall be removed from the state if a certificate cannot be produced within forty-eight hours. All loads with proper certification will be reinspected and random samples were taken from each to confirm the absence of late blight. 
• If late blight is confirmed by testing the load or loads shall be removed from the state within seventy-two hours.

For complete details of all of the above please see the entire text of the Quarantine for Late Blight, 8 CCR 1203-13.

States regulated: All States

Material regulated: All plant material of the genus Prunus except for the following species: Prunus besseyi, Prunus cistena, Prunus glandulosa, Prunus maackii, Prunus tomentosa, Prunus triloba and Prunus virginiana.

Restrictions:

• All Prunus species with the exception of Prunus besseyi, Prunus cistena, Prunus glandulosa, Prunus maackii, Prunus tomentosa, Prunus triloba and Prunus virginiana are prohibited entry into Alamosa, Conejos, Costilla, Rio Grande, and Saguache Counties of Colorado.

For complete details of all of the above please see the entire text of the Quarantine on the Importation of Prunus Species into the San Luis Valley, 8 CCR 1203-18.

Download the Firewood Best Management Practices guide

Other resources:

• Firewood and Camping Poster
• Firewood and Pests Recommendations
• CDA Firewood Policy

The Noxious Weed Program aims to control non-native aggressive invaders that replace native vegetation, reduce agricultural productivity, cause wind and water erosion and pose an increased threat to communities from wildfire. 

Visit the Noxious Weed program webpage.