Visit our Colorado State Extension office for more news, tools and resources.

Close Icon
Colorado State University Extension offices like the one in Denver County bring the research and resources of the university within easy reach, and our staff are here to help.

Yard & Garden / Horticulture   arrow

The CSU Denver Extension – Horticulture Program provides outreach & engagement in all areas of environmental horticulture to the Denver community, including:

  • Denver Master Gardener Program
  • Research-based information on gardening questions
  • Educational programs in horticulture
  • Demonstration gardens

Visit our Denver Master Gardener Blog for timely gardening articles.

Please click here for information on having your soil tested.

Have gardening questions?  We are here to help!

Contact a Master Gardener:

HELP Line at Denver Extension Office:

720-913-5278 (please leave a message)

In person at Denver Botanic Gardens Library:

Tuesday, Thursday and Saturday (April – October)

Tuesday only (November – March)

10:00 – 2:00


(admission to DBG library is free; fee and reservations

are needed to enter the the rest of the Gardens)

Grow & Give

Lets Grow Together- Grow Food and Share the Harvest: Learn to grow food and donate extra locally. Colorado State University Extension & Master Gardeners are here to help every step of the way. More resources are added weekly and will change with the season.

Grow your own food and help!

>> Planttalk Colorado – Español
>> Hojas Informativas en Español

Additional Resources:

CSU Extension has a long list of publications, fact sheets, and resources on a variety of topics. Check out their website to explore and answer all your yard, horticulture and gardening questions and needs.


COVID-19 Support Services offered by the City and County of Denver.