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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

Broomfield County Extension - Providing trusted, practical education to help you solve problems, develop skills and build a better future.

Office Hours

Broomfield CSU Extension is open to the public Monday through Thursday from 9 a.m. to 1 p.m., with live horticulture help on Tuesdays and Thursdays.

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Youth Programs

Youth programs in Broomfield include Family Learn and Grow gardening classes and outreach at local schools. Residents interested in traditional 4-H may join clubs in Boulder or Adams County.

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Ask a Master Gardener

Our remote horticulture helpline is always open. Leave a message at 303.464.5554 or send an email to:

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