Sustainable Broomfield


The CSU Extension is now at the Library!

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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

Please visit Broomfield County Extension at its new location in the Broomfield Library. Regular hours are 9 a.m. to 1 p.m., Monday through Thursday, with horticulture specialists on hand Tuesdays and Thursdays.

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Submit your question using this interactive form.

Ask a Master Gardener Helpline
Broomfield residents may leave a detailed message at 303-464-5554. A local Colorado Master Gardener or horticulture specialist will return your call within two business days.

Broomfield Seed Library!
The Seed Library is a collection of seeds that you can borrow from to grow at home. Learn more about it here!

Colorado State University Extension Website
You will find science-based answers to many of your yard and garden questions on the CSU Extension website.


Grow and Give

Grow and Give is a modern victory garden project with an Extension twist. Started in 2020 to make a local impact on food security, Grow and Give connects backyard and community gardens with food donation sites across the state.

Register your garden today to join the Grow and Give community and log your donations to friends, family, and neighbors. Whether you’re an expert or a brand new gardener, CSU Extension is here for you with trusted, practical resources to support you through the growing season and beyond.


Join the Broomfield Crescent Grange Community Garden!

This is a true communal garden space which is shared, worked, and harvested by all its volunteers. The Crescent Grange holds deep agricultural ties and implements permaculture practices. The garden provides tremendous community outreach by providing many educational workshops and programs geared towards gardening and community engagement.
Learn more by visiting the Crescent Grange website.


Garden in a Box!


Garden In A Box offers professionally designed, waterwise garden kits tailor-made for Colorado yards. They take the guesswork out of selecting which plants work well together and they even include plant by number maps to help design your new xeriscape.  When you remove unused areas of thirsty lawn and replace them with these waterwise gardens you can ultimately reduce the amount of water used on your landscape! Apart from being waterwise, these garden kits offer colorful blooms that are sure to attract beneficial pollinators and add curb appeal to your property.


Organic, homemade, and agricultural alternatives to pesticides