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Arapahoe County Extension provides trusted, practical education to help you solve problems, develop skills and build a better future.

This calendar is a list of all public event and classes offered by Arapahoe County Extension. Some of the virtual classes may be offered by Extension offices in partnering counties. Other events may be offered that are closed to the public and available to program participants (e.g. 4-H members, Colorado Master Gardeners). Click here if you are interested in becoming a 4-H member, Colorado Master Gardener or Native Plant Master volunteer.

You may also request a program for your organization or school. Options for adults are youth are available.  

For questions, please email CSU-Extension@arapahoegov.com or call the office at 303-730-1920.

To view other great programs Arapahoe County Extension has offered, please visit our Past Events page!


July 2022


Cottage Foods Safety Training July 8th, 9:00 a.m.-1:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.

Weed Walk – July 8, 5:00 p.m. Join Dan Nosal, Rangeland Management Specialist for the Natural Resources Conservation Services, Willie Wilkins and Raylene Owen for an informative session on weeds. They will discuss noxious weeds and invasive species, provide help on weed identification, and share management options. Register now!

Model Rocketry Launch Day Extravaganza 2022 July 9, 7:00 a.m.-12:00 p.m. Have you ever wanted to learn more about Model Rocketry? Are you interested in learning more Model Rocketry skills? Participants ages 8 – 18 will learn more about Model Rocketry, have the chance to launch rockets and watch demonstrations. Snacks will be provided. Registration required.

Bemis Public Library Monthly CMG Series: Xeric and Water Wise Gardens – July 19, 6:00 p.m. Arapahoe County Master Gardeners will be presenting about Xeric and Water Wise Gardens. In person at Bemis Public Library – 6014 S Datura Street Littleton, CO 80120, no registration required.


August 2022


Cottage Foods Safety Training August 10, 5:00 p.m.-9:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.

Bemis Public Library Monthly CMG Series: Composting – August 16, 6:00 p.m. Arapahoe County Master Gardeners will be presenting about Composting. In person at Bemis Public Library – 6014 S Datura Street Littleton, CO 80120, no registration required.


September 2022


Free online class to learn about beans from farm to table, includes tasty bean recipes! – September 6, 7:00 p.m. Join us to learn all about beans, from farm to table! We’ll dive into quick and delicious tips for cooking with beans, human and environmental health benefits, and more. This class is part of a PhD project, and you will be asked to complete 3 brief surveys: before the class, immediately after, and 1 month after the class. We will email you links to the surveys, and your feedback will help us improve the class and Extension resources. Thank you for helping CSU research and doctoral students! Zoom registration link

Native Plant Master Course at Plains Conservation Center – September 8, 15, and 22, 8:00 a.m.-12:00 p.m. Take a Native Plant Master course that includes three outdoor field sessions where you will learn common and scientific names, ecological relationships and human uses of 40 – 50 plants. You will develop skills in using family features and a botanical key to identify plants. Course includes special emphasis on natives useful for landscaping and invasive plants that threaten native ecosystems. Registration information coming soon!

Bemis Public Library Monthly CMG Series: Common Plant Diseases – September 20, 6:00 p.m. Arapahoe County Master Gardeners will be presenting about Common Plant Diseases. In person at Bemis Public Library – 6014 S Datura Street Littleton, CO 80120, no registration required.

Cottage Foods Safety Training September 23, 9:00 a.m.-1:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.


October 2022


Cottage Foods Safety Training October 14, 9:00 a.m.-1:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.

Bemis Public Library Monthly CMG Series: Fall Planted Bulbs – October 18, 6:00 p.m. Arapahoe County Master Gardeners will be presenting about Fall Planted Bulbs. In person at Bemis Public Library – 6014 S Datura Street Littleton, CO 80120, no registration required.


November 2022


Cottage Foods Safety Training November 2, 5:00 p.m.-9:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.

Bemis Public Library Monthly CMG Series: Houseplants – November 15, 6:00 p.m. Arapahoe County Master Gardeners will be presenting about Houseplants. In person at Bemis Public Library – 6014 S Datura Street Littleton, CO 80120, no registration required.


December 2022


Cottage Foods Safety Training December 2, 9:00 a.m.-1:00 p.m. Learn food safety guidelines and the specifics of operating a home-based cottage food business. Upon completion of the webinar and exam, receive a 3 year food safety certificate. Registration closes 4 days prior to event.