CSU Denver Extension

CSU Denver Extension Denver Extension is urban, inclusive, and engaged with the Denver community! Contact us at 720.913.5270 or check out our website! https://www.colostate.edu/

An equal access and equal opportunity University. Outreach & engagement in all areas of environmental horticulture including:

- Coordinating the Master Gardener Program in Denver
- Providing research-based information on gardening-related inquiries
- Hosting workshops and educational programs in horticulture
- Creating and maintaining demonstration gardens

08/22/2026

By Margerie Hicks, CSU Extension – Denver Master Gardener since 2010 Daphne in a rock garden at the home of Panayoti Kelaidis.  Photo: Panayoti Kelaidis I recently had the privilege of discuss…

08/18/2026

Gardening in Colorado just got easier!

Learn the basics with our Green School online/live web-based review sessions. Green School is flexible, expert-led, and perfect for beginners or pros looking to improve their skills.

Learn at your own speed with courses available once a year. August 17th - September 30th. Registration closes October 23rd.

Can wait to see you there!

08/15/2026

By Lori Williams, CSU-Extension Denver Master Gardener since 2016 As summer winds down and our Metro area gardens start to fade, many of us will look for ways to carry some of this year’s garden su…

08/07/2026

By Terry Deem-Reilly, CSU Extension-Denver Master Gardener since 2003 “Summer afternoon, summer afternoon; to me those have always been the two most beautiful words in the English language.& #…

Have some gardening questions? Want to know what to do with those pesky Japanese Beetles? Our CSU Denver Extension Maste...
08/07/2026

Have some gardening questions? Want to know what to do with those pesky Japanese Beetles? Our CSU Denver Extension Master Gardeners will be at Woodbury Branch Library (3265 Federal Blvd, Denver, CO 80211) this Saturday, August 8th from 11am-1pm!

Applications for the Colorado Master Gardener Volunteer program are open August 1-31. Learn more and apply online Colora...
08/01/2026

Applications for the Colorado Master Gardener Volunteer program are open August 1-31. Learn more and apply online ColoradoMasterGardener.org

07/27/2026

By Tracy Dunning, CSU Extension-Denver Master Gardener since 2023 Decorated rain barrel from Colorado Rain Catcher Rainwater “harvesting” is an ancient practice and has been used for 6,000 years. …

07/25/2026

We are *checks calendar* only ONE MONTH away from Green School registration opening!⌛🙌 Sign up for the interest list at https://colostate.az1.qualtrics.com/jfe/form/SV_4GaLUaf5Zac27Gu and you'll be emailed FIRST when registration opens in August 2026 (we love an early bird discount, hbu?)

What is Green School?
🌿 Colorado specific gardening classes.
🌿 14-week online program, offered once each year.
🌿 A mix of self-paced online classes and live web-based review sessions with instruction and Q&A from CSU Extension experts.
🌿 The best time you'll ever have!!

Need we say more?? 🙂‍↔️ (But you can visit CSUGreenSchool.org if you need more info 🙂‍↕️)

07/17/2026

Address

CSU Denver Extension, 888 E Iliff Avenue
Denver, CO
80210

Telephone

+17209135270

Website

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