Welcome to Jefferson County Extension

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Hot Topics

Register for Spring Gardening Symposium Now

Improve Your Garden, Improve Your Life is the theme of the 2015 annual Spring Gardening Symposium. Click here for more information.

Trees Damaged By November Cold

Many trees were damaged in the November cold. See pictures and learn more about it! Click here------------------.

4-H Seedling Tree Sale Open Now!

Plan for spring and support Jefferson County 4-H by ordering seedlings now!

Trees as well as perennials and grasses, grown by the Colorado State Forest Service, are available to anyone as long as they are used for conservation purposes.

Check out program information, download an order form, or peruse more info at www.4htrees.org.


Tell us about your Extension experience

We'd like to know what you value about CSU Extension in Jefferson County and what you suggest we might change. Click the link above to start this 7 minute survey.


Need More Info on GMO labeling?

Research-based information about genetically modified organisms can be located here. Information on labeling of GMOs can be found here. Both publications have been prepared by CSU extension specialists and contain references for further reading.

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.


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