Welcome to Jefferson County Extension

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Summer Camp Registration OPEN NOW!

Online registration is NOW OPEN for our award-winning ENOR 4-H environmental discovery summer camps for youth in grades 3 through 6. To learn more about the camps check out the camp pages.


Colorado Gardener Single-Day Training Classes Available!

If you’re interested in the Colorado Master Gardener program or the Colorado Gardener Certificate, but don’t have the time to attend all the classes, or do the volunteering component, there is a new option. Colorado State University Extension of Jefferson County will be offering single day registration for our CMG training classes. Go to the Horticulture Page for more information!


2016 Food Safety Training

The next food safety training class will be February 20, 2016 in Boulder County. The class for Colorado Cottage Food producers has a $30 registration fee. Click here for the flyer. Register at Event Brite.

Plant Diagnostic Clinic

Our experts will identify the causes of problems with your plants. For a small fee, we will diagnose insects, diseases and plants at our Jefferson County Plant Diagnostic Clinic.

Jeffco Extension Programs Calendar

Jefferson County CSU Extension empowers county citizens and enhances their quality of life through education, innovation and excellence in service.