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Access trusted information and resources from Jefferson County Extension
Jefferson County Extension delivers on CSU’s land-grant mission by helping to make reliable, science-based resources accessible to all. We serve the state of Colorado and beyond, but specialize in helping the Jefferson County community.
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Youth Development
CSU Extension administers the 4-H youth development programs for Jefferson County. These programs are open to all youth ages 5-18 years.
Yard, Garden & Horticulture
From horticulture classes to lawn checks and plant identification, CSU Extension Jeffco is your local source for yard and garden resources. Whether you’re a beginning gardener or a seasoned green thumb – a houseplant hobbyist or a professional landscaper – CSU Extension offers trusted information, solutions, and region-specific tips and tools for your garden, lawn, and landscaping needs.
Natural Resources
Jefferson County Extension is your local resource for questions regarding native plants, water, wildfire, forestry, and wildlife topics in Jefferson County, Colorado. Colorado State University has a variety of research-based resources for the management or natural resources.
Health & Well-being
CSU Extension Jeffco empowers Coloradans to live healthy lives by supporting community-driven initiatives and offering programs and resources that promote a culture of health and well-being. CSU Extension’s work is based on the Cooperative Extension National Framework for Health Equity and Well-being.
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CSU made a promise and delivered. I use my CSU education every single day on the job and in my own garden.
Heath J.
CSU Alumnus
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News from the Source
Stay informed about what’s happening throughout Colorado, on and off campus. Check out featured stories ranging from community news to the latest headlines.
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Applied Podcast
Explore the many stories happening at CSU, across Colorado, and beyond on the Applied podcast.
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Ask Extension
Having trouble finding an answer? ‘Ask Extension’ offers one-to-one expert answers from Cooperative Extension and University staff and volunteers within participating Land-Grant institutions – including CSU!