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The CSU Extension office in Broomfield City & County provides assistance and programs for citizens in the areas of Horticulture: Yard & Garden

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What’s New, Broomfield!

Broomfield County Extension collaborates with businesses, organizations, and other counties to extend the reach of programming. Check out new  programs and opportunities.

science meets logoVote Now

Calling Great Minds!

Thanks to Broomfield Arts, Culture and Science funding, CSU Extension will be hosting a series of conversations called “Science Meets,” and your input is needed! Vote for the topics that matter most to you using this form. Voting closes April 30.
Beekeepers at Depot MuseumRegister Now

Plan BEE Series

Saturday, May 1, 2-3 p.m.
Free, but must register

Thinking about starting your first backyard beehive? “Plan BEE” is a series for future and beginner beekeepers from CSU Extension and the Depot Museum. The next class on May 1 will cover basic hive processes and habitat needs. Register today on

Bee House

Native Bee Watch

Check out the new native bee house recently installed at Broomfield’s demonstration garden! If you’re interested in helping monitor the bee population in Broomfield, read more about CSU Extension’s Native Bee Watch program.

Watering can and coinsSee Schedule

Money Smart Colorado Lunch Series

Join CSU Extension for a new lunch-and-learn series on the Money Smart Colorado Facebook page. Each class starts at noon and covers a different personal finance topic. Experts will be on hand to answer questions.

Classes are free and no registration is required!

seed starting collage


View Recording

Virtual Seed Starting Class

You may have missed it in real time, but you can watch a recording of this class taught by Sarah Schweig, Broomfield County Extension Director & Horticulture Agent. Topics include supplies, timing, and techniques for starting vegetables and annual flowers indoors. 

webinar graphicLearn More

FREE Gardening Webinars this Spring

CSU Extension is offering 15 new gardening webinars that will be presented by horticulture experts from across the state beginning in March. Visit the CO-Horts Blog website for topics, dates, registration links, and recordings of previous classes!

Money management iconSign Up!

New Series: Money Management Basics

Learn to stretch your money in 2021 through these free online workshops offered by Broomfield FISH in conjunction with the City and County of Broomfield and CSU Extension.

Classes will be held in both English & Spanish from 1:30 to 3 p.m. on the second and fourth Thursday of each month. Consult this flyer for dates and topics, and sign up here to receive details before each class.

Variety of vegetablesMás información

¡Recursos Nuevos en Español!

CSU Extension’s statewide horticulture team is working hard to offer more gardening resources in Spanish, including two webinars on the basics of growing vegetables in Colorado and an in-depth Colorado Vegetable Guide. An English version of the guide also is available.

Home-preserved jamsCottage Foods Checklist

Online Cottage Food Safety Training

Are you interested in producing food items from a home kitchen to sell to the public? If so, the Colorado Cottage Foods Act requires you to complete a food safety training course. CSU Extension offers online training that meets this requirement and (upon passing) provides you with a certificate of training valid for three years. 

Online courses will be offered statewide on the following dates (click on date to register):

Registration is $40 (plus fee).

Hands holding seedling in soil
Submit a Question

Need Gardening Advice?

Broomfield Master Gardeners are available year-round to answer your horticulture-related questions. Call the helpline at 303.464.5554, send an email (and photos!) to,  or submit your question using this form

Centennial Outreach by Americorps Volunteer at Broomfield LibraryView Video

Watch our AmeriCorps Team in Action

CSU Extension’s dedicated AmeriCorps members created and distributed more than 650 take-and-make STEM kits to Broomfield area children in the second half of 2020. This effort included a recent stop at Centennial Elementary in partnership with Community Food Share and the Broomfield Library. Team member Diamila Konate, pictured left, helped hand out STEM kits and free books. Watch this video to learn more about this community outreach effort.

Didn’t receive a kit? No problem! Most of the kits can be recreated using common household items. You can follow along with these instructions.

kids doing chemistry experimentLearn More

Making a Difference in Broomfield!

CSU Extension now has three AmeriCorps service members working out of its Broomfield office. These important team members develop and deliver STEM programs in out-of-school settings to local students.

Broomfield Library Entrance

Our Location

Broomfield County Extension is located in the Broomfield Library and is open by appointment only at this time. Please schedule a time to consult with horticulture staff or to drop off a plant sample.

A group of students learning how to make a birdhouse

Look what we made!

CSU Extension Broomfield and CSU Extension 4-H STEM specialists joined staff from Broomfield Library and Broomfield Open Space and Trails in a full-day outreach event at Centennial Elementary School on Jan. 24. Students built and decorated bird houses, learned the basics of birding, and contributed their bird sightings to the Broomfield Naturalists citizen science project.