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 and youth are available.
- Family and Consumer Sciences (food preservation, food safety, nutrition, health, family financial management, etc.)
- Horticulture (yard, gardening, trees, insects, etc.)
- 4-H School and Community programs (embryology, in-school, after school, summer camps, kit programs, etc.)
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!
February
Pressure Canning Class: Soup
February 18, 6pm-9pm
CSU Extension, Jefferson County
15200 West 6th Avenue Suite C Golden, CO 80401
$20.00
Join us for a pressure canning workshop. You will learn how to safely preserve low-acid foods in a pressure canner. Register here
Pressure Canning Class: Soup
February 25, 6pm-9pm
CSU Extension Arapahoe County Office
6934 South Lima Street Suite B, Dove Valley, CO 80112
$20.00
Join us for a pressure canning workshop. You will learn how to safely preserve low-acid foods in a pressure canner. Register here
Cottage Food Safety Training
February 27, 9am-12:30pm
Online Zoom Presentation. $50.00
Learn food safety guidelines and the specifics of operating a home-based cottage food business. Better understand the Colorado Cottage Food Act. Upon completion of the webinar and passing the accompanying exam, receive a 3-year food safety certificate. Register here
March
Fermentation: Sauerkraut Workshop- IN PERSON
March 12, 6pm-8pm
Arapahoe County Extension Office
6934 S. Lima Street Centennial, CO 80111
$20.00
Learn the art and science of fermenting your own sauerkraut in this hands-on workshop and includes taking home a jar of kraut to ferment at home. Register here
Fermentation: Sauerkraut Workshop- IN PERSON
March 19, 6pm-8pm
Jefferson County Extension Office
15200 W 6th Ave Frontage Rd Unit C Golden CO, 804001
$20.00
Learn the art and science of fermenting your own sauerkraut in this hands-on workshop and includes taking home a jar of kraut to ferment at home. Register here
Cottage Food Safety Training
March 20, 9am-12:30pm
Online Zoom Presentation. $50.00
Learn food safety guidelines and the specifics of operating a home-based cottage food business. Better understand the Colorado Cottage Food Act. Upon completion of the webinar and passing the accompanying exam, receive a 3-year food safety certificate. Register here
Native Plant Master Class-Grasses Across Three Seasons
March 25, June 3, September 23, 12:30pm
South Platte Park and Carson Nature Center.
Learn the unique anatomy and vocabulary of grass plants, how to identify when dormant vs actively growing, and typical habitats of grasses. Register here.
April
Cottage Food Safety Training
April 10, 9am-12:30pm
Online Zoom Presentation. $50.00
Learn food safety guidelines and the specifics of operating a home-based cottage food business. Better understand the Colorado Cottage Food Act. Upon completion of the webinar and passing the accompanying exam, receive a 3-year food safety certificate. Register here
Watch Party – The Mind Diet – Jefferson County
April 14, 11:30am-1pm
CSU Extension, Jefferson County Office
15200 West 6th Avenue #Suite C Golden, CO 80401
Learn about this dietary pattern that may help reduce the risk of Alzheimer’s disease and cognitive decline. This is a watch party. Register here
Watch Party – The Mind Diet – Arapahoe County
April 14, 11:30am-1pm
CSU Extension, Arapahoe County Office
6934 S. Lima St, Suite B Centennial, CO 80112
Learn about this dietary pattern that may help reduce the risk of Alzheimer’s disease and cognitive decline. This is a watch party. Register here
Sourdough Basics: Caring for your starter and making bread
April 27, 9am-12pm
CSU Extension, Jefferson County Office
15200 West 6th Avenue #Suite C Golden, CO 80401
$20.00
Join us for an in-person hands on beginner sourdough making class. Learn the basics of making & maintaining your starter. Participants will receive a starter to take home. Register here
Sourdough Basics: Caring for your starter and making bread
April 27, 6pm-9pm
CSU Extension, Arapahoe County Office
6934 S. Lima St, Suite B Centennial, CO 80112
$20.00
Join us for an in-person hands on beginner sourdough making class. Learn the basics of making & maintaining your starter. Participants will receive a starter to take home. Register here
May
Wildflower Walk at Roxborough State Park
May 1, 9am-1pm
Roxborough State Park
4751 Roxborough Drive, Littleton, CO 80125
Join us for a fun and informal tour in the park to identify and learn about the native plants that will be just popping up and flowering at this time. Register here.
Wildflower Walk at Cherokee Ranch & Castle
May 14, 9:00-12:00pm
Cherokee Ranch & Castle
6113 North Daniels Park Road, Sedalia, CO 80135
This Foothills to Plains NPM Wildflower Walk at Cherokee Ranch & Castle will study an array of fantastic flowering native plants. Register here.
Growing Tomatoes
May 16, 9:30am-10:30am
Hudson Gardens Demonstration Vegetable Garden
6115 S Santa Fe Dr, Littleton, CO 80120
Join us for a free, informal talk on “Planting Tomatoes” at Hudson Gardens Vegetable Demonstration Garden. When is the right time to plant your tomatoes? How do you plant those “leggy” tomato plants? Should you take off the blossoms and fruit on the plants before planting? This fun, practical class will answer all these questions and more. Presented by Arapahoe County Extension Colorado Master Gardeners.
Wildflower Walk at Roxborough State Park
May 21, 9am-1pm
Roxborough State Park
4751 Roxborough Drive, Littleton, CO 80125
Join us for a fun and informal tour in the park to identify and learn about the native plants that will be just popping up and flowering at this time. Register here.
Food Preservation – Hot Water Bath Canning Pickling Cowboy Candy
May 21, 6pm-8pm
CSU Extension, Jefferson County Office
15200 West 6th Avenue #Suite C Golden, CO 80401
$20.00
Learn how to safely preserve food for our elevation. In this workshop we will be hot water bath canning cowboy candy which is a candied pickled pepper. Register here.
Riparian 3-day NPM Course
May 26, June 2, June 9, 8am-12pm
South Platte Park and Carson Nature Center
3000 West Carson Drive, Littleton, CO 80120
A 3-day certification course that covers a mix of woody, grasses and forbes native plants with discussions for and on the impact of the continued introduction of non-native species, and more. Register here.
Food Preservation – Hot Water Bath Canning Pickling Grape Tomatoes
May 27, 6pm-8pm
CSU Extension, Arapahoe County Office
6934 S. Lima St, Suite B Centennial, CO 80112
$20.00
Learn how to safely hot water bath can high acid foods. We will be making pickled grape tomatoes. Participants will be making their own jar of pickled grape tomatoes that they can take home (next day). Register here.
Prairie/Plains 3-day NPM Course
May 28, June 4, June 11, 8am-12pm
South Platte Park and Carson Nature Center
3000 West Carson Drive, Littleton, CO 80120
A 3-day certification course that will cover at least 10 native grass species at South Platte Park. Register here.
Sandstone Ranch Wildflower Field Trip
May 30, 9am-4pm
Sandstone Ranch Open Space
8309 S. County Highway 105, Larkspur, CO 80118
Join us as we explore the amazing Douglas County Open Space where we will be identifying native plants in varied vegetative zones. Register here.
June
Fermentation: Making Kombucha
June 3, 6pm-8pm
CSU Extension, Jefferson County Office
15200 West 6th Avenue #Suite C Golden, CO 80401
$25.00
Learn how to make your own kombucha in this hands-on workshop. Participants will explore the basics of kombucha brewing, its health benefits, and safe fermentation practices. No experience required—all materials provided. Register here.
Riparian 3-day NPM Course
June 6, June 13, June 20, 8am-12pm
South Platte Park and Carson Nature Center
3000 West Carson Drive, Littleton, CO 80120
A 3-day certification course that covers a mix of woody, grasses and forbes native plants with discussions for and on the impact of the continued introduction of non-native species, and more. Register here.
NPM 3-Day Course RidgeGate
June 9, June 16, June 23, 8am-12pm
Prairie Sky Park
9381 Crossington Way, Lone Tree, CO 80124
Join us along the Willow Creek Trail as we’ll see a mix of xeric and riparian plants in this acreage east of Bluffs Regional Park. We’ll learn a mix of trees, shrubs and herbaceous plants. Register here.
Fermentation: Making Kombucha
June 10, 6pm-8pm
CSU Extension, Arapahoe County Office
6934 S. Lima St, Suite B Centennial, CO 80112
$25.00
Learn how to make your own kombucha in this hands-on workshop. Participants will explore the basics of kombucha brewing, its health benefits, and safe fermentation practices. No experience required—all materials provided. Register here.
3-Day NPM Course-Dawson Butte Open Space
June 16, June 18, June 25, 9:00am-1:00pm
Dawson Butte Ranch Open Space Trail
1753 Tomah Road, Castle Rock, CO 80109
This NPM course at Dawson Butte Open Space takes you through forests and meadows with spectacular views and amazing wildflowers and shrubs. Register here.
Fertilizing the Vegetable Garden
June 20, 9:30am-10:30am
Hudson Gardens Demonstration Vegetable Garden
6115 S Santa Fe Dr, Littleton, CO 80120
Presented by Arapahoe County Extension Colorado Master Gardeners this is a free and informal talk that will answer you questions on fertilizing your vegetable garden. Questions like, when do you fertilize? What kind of fertilizer is best for the vegetable garden? How often should you fertilize and more.
July
What’s “Bugging” your Garden
July 18, 9:30am-10:30am
Hudson Gardens Demonstration Vegetable Garden
6115 S Santa Fe Dr, Littleton, CO 80120
Japanese Beetle season is upon us. Join us for a free, informal talk at Hudson Gardens Vegetable Demonstration Garden. We will discuss the life cycle of this pest and what are the best methods for control. There will also be discussion about the Emerald Ash Borer. Find out how and when to treat your Ash trees to keep your trees healthy.
August
Extending the Growing Season
August 15, 9:30-10:30am
Hudson Gardens Demonstration Vegetable Garden
6115 S Santa Fe Dr, Littleton, CO 80120
Join us at Hudson Gardens Vegetable Demonstration Garden to learn how you can extend your gardening season into the fall and winter. This free, informal talk will give you practical tips for growing vegetables, like beets, broccoli, carrots, and spinach to harvest in September or October.
September
October
November
Colorado State University Extension is an equal opportunity provider. | Colorado State University does not discriminate on the basis of disability and is committed to providing reasonable accommodations. | CSU’s Office of Engagement and Extension ensures meaningful access and equal opportunities to participate to individuals whose first language is not English.
Colorado State University Extension es un proveedor que ofrece igualdad de oportunidades. | Colorado State University no discrimina por motivos de discapacidad y se compromete a proporcionar adaptaciones razonables. | Office of Engagement and Extension de CSU garantiza acceso significativo e igualdad de oportunidades para participar a las personas quienes su primer idioma no es el inglés.
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