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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 in Broomfield County

Broomfield County Extension collaborates with businesses and organizations to extend the reach of Extension programming. Check out what’s new and happening in Broomfield County and opportunities to learn and participate.

kids doing chemistry experimentMore Details

Make a Difference,  Join the Team!

CSU Extension is currently recruiting an AmeriCorps member to work out of its Broomfield office, starting in the fall of 2020. As part of the team, you will help develop and deliver STEM programs in out-of-school settings. For full consideration, please apply by Aug. 7 by emailing a cover letter and resume to For more information, read the complete position description and application instructions.

Broomfield Master Gardener CoordinatorRead More

We’re on Insta!

Each week this spring, the Colorado Master Gardener Instagram account will feature a different member of CSU Extension horticulture staff sharing their gardening projects and insights from their homes across the state. This week, Broomfield’s very own Master Gardener Coordinator, Nancy Klasky, talks plant propagation, seed starting, and getting your raised bed started.

Vegetable seedlings

Seed Starting for Vegetables and Annual Flowers

Thanks for the great turnout for this class! In case you missed it, here’s a resource list for information on the topic.

Bees on HoneycombRegister Now

Plan BEE Series

Broomfield Depot Museum
Cost: Free, but you must register through B-REx

Wondering how to get started with your first backyard beehive? Plan BEE is a series for beginner and future beekeepers presented by CSU Extension and the Depot Museum. Register for the whole series, or pick and choose.  Registration is required.

Broomfield Library Entrance

We’ve Moved!

Broomfield County Extension is now located at the Broomfield Library. Regular hours are 9 a.m. to 1 p.m., Monday through Thursday, with horticulture specialists on hand Tuesdays and Thursdays.

Red Christmas cactus

Holiday Plant Care Workshop

In case you missed it, here are some selection tips and resources provided by our speaker.

grass in snow

Preparing the Perennial Garden for Winter

This class covered what should you be doing now to prepare your perennial garden for Spring. In case you missed it, here’s a Planttalk Colorado™ article on winterizing perennials.

Hands holding seedling in soil
Submit a Question

Need Gardening Advice? Ask a Master Gardener.

Even during the offseason, Broomfield Master Gardeners are available to answer your horticulture-related questions remotely. You can call the helpline at 303.464.5554 or submit your question using this form. Be sure to check our calendar in the spring for Ask a Master Gardener times and locations.

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.