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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

Open by Appointment

Broomfield Library Entrance

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

Of course, our remote horticulture helpline is always open! Leave a message at 303.464.5558 or send an email (and photos) to

For more complicated lawn, tree, and garden issues, CSU Extension offers a $75 horticulture site visit for Broomfield residents (please note you must log in to see available appointments). Each visit includes up to one hour for the consult, along with follow-up and written recommendations.

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