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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.

Broomfield master gardenersApply Now

Become a Broomfield Master Gardener!

Are you interested in becoming a Colorado Master Gardener in Broomfield County? For more information and to apply online, visit the Colorado Master Gardener website.

Questions? Contact Nancy Klasky, Broomfield Master Gardener Coordinator.

Application deadline for Broomfield County is Nov. 1.

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FREE Gardening Webinars

CSU Extension is offering a full slate of gardening webinars this fall on Fridays at noon. The classes are free, but you must register in advance (see direct links for each class on calendar to right). For more information, visit the Co-Horts Blog website.

Here’s a sampling of the topics that will be be presented by horticulture experts from across the state: Bulbs for Fall Planting, Edible Native Plants, Fall Lawncare Tips, Ornamental Grasses, Seed Saving, and Basic Landscape Design/Planning for 2021.

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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.

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Submit a Question

Need Gardening Advice? Ask a Master Gardener.

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. Be sure to check our calendar next spring for Ask a Master Gardener times and locations.

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.

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.

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.

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.