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The Extension office provides assistance and programs for the community without discrimination in five main areas: Agriculture, Horticulture, Family & Consumer Science, Natural Resources and 4-H Youth Programs.

Due to flooding in the Natural Resources Building the CSU Extension Office will temporarily move to the Clover Building (just to the east). We will be open to the public (MWF) from 9am to 4:30pm. Call 303.678.6238 or email CSUExtension@bouldercounty.org for more information. We apologize that we are only able to offer limited services at this time Colorado Master Gardener volunteers are working remotely and are not accepting samples at this time. Please email them at mggpa@bouldercounty.org with your home horticulture questions.

About CSU Extension

Colorado State University Extension empowers all Coloradans without discrimination to address important and emerging community issues using dynamic, science based educational resources.

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Boulder Extension Online Directory

The link below will take you to our staff directory. Email is the best way to contact us during this time. Thank you for your cooperation.

Staff Contact Information 

Welcome to Ask an Expert

Ask an Expert offers one-to-one expert answers from Cooperative Extension/University staff and volunteers within participating Land-Grant institutions from across the United States.

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Keeping ahead of COVID-19

This rapidly evolving coronavirus (COVID-19) has imposed an unsettling, fluid situation upon our community and its businesses. While the team here still aims to maintain a “business as usual” approach, we are making a number of significant changes to our operations to account for a situation that is far from normal.