Two adults and a child using the electronic resources in the Helen Fowler Library.

Electronic Resources

Specially selected websites and webpages providing information on a wide range of gardening, botanical and horticultural topics, as well as online activities for children and families.

Contact us with general questions or for eBook registration at 720-865-3570, or email


eBooks are available for Denver Botanic Gardens members. Make sure you’re signed up:

  • Have your Denver Botanic Gardens member ID ready
  • Call the library at 720-865-3570 or send us an email at
  • Let us know your name and member ID 
  • Account activation may take up to two weeks

On the catalog search page, click the eBooks link on the left navigation bar to browse all available titles.

Denver Botanic Gardens' Resources

Denver Botanic Gardens' newsletters – Get access to newsletters of the Gardens—The Green Thumb, The Green Thumb News, The Green Thumb Newsletter—and the newsletter of the Colorado Forestry and Horticulture Association: Mountain, Plain and Garden.

Gardens Navigator – The Gardens Navigator website allows you to locate and learn about thousands of plants from Denver Botanic Gardens’ collections, learn more about the Gardens and its exhibitions and create a personalized tour.

MyCoPortal - Sam Mitchel Herbarium of Fungi specimens are discoverable online through this external database used by herbaria across North America.

SEINet - Kathryn Kalmbach Herbarium of Vascular Plant specimens are discoverable online through this external database used by herbaria across North America.

Other Botanical & Library Resources

Biodiversity Heritage Library (BHL): The BHL improves research methodology by collaboratively making biodiversity literature openly available to the world as part of a global biodiversity community.

Colorado Virtual Library: A site put together by the Colorado State Library to connect libraries across the state for resource sharing and collaboration.

Council on Botanical and Horticultural Libraries (CBHL): The CBHL is the leading professional organization in the field of botanical and horticultural information services.

DPLA: The Digital Public Library of America is a national online collaboration that uses innovative tools to empower and equip libraries to make information more accessible.

Gardening & Horticulture Resources

Colorado Gardening Newspaper: A popular periodical focused on gardening in the Centennial State – in print and online.

Colorado Nursery and Greenhouse Association: Plant something, Colorado!

Colorado State University Extension: Information about gardening, insects, agriculture and natural resources in Colorado.

Denver Water, Xeriscape and Conservation: These Web links within Denver Water's site provide information on clinics and free seminars, demonstration gardens and principles of Xeriscape as well as many practical water-saving tips.

Garden Centers of Colorado: Current events and information on gardening in Colorado, including information on the Gardening Showcase. 

Plant Select®: A collaboration between Denver Botanic Gardens and Colorado State University designed to seek out and distribute the very best plants for gardens from the high plains to the intermountain region. Here you'll find plant names, color photos, growing tips and basic information.

PlantTalk Colorado™: Timely and reliable essays on all aspects of horticulture and gardening in Colorado.

Xeriscape Colorado: Promotes creative approaches to water-conserving landscapes.

Plant Societies

Plant Society Shows and Sales held at the Gardens are listed on this page. Schedule varies by plant society. Visit their websites for more information.

Plant Societies:

African Violet Society of America, Inc.:
National society dedicated to providing information about African violets.

American Horticultural Society:
Founded in 1922, AHS is one of the oldest national gardening organizations in the United States.

American Iris Society:
The Colorado region of the national society dedicated to irises.

American Conifer Society:
National society interested in the growing and study of conifers.

American Rose Society:
Dedicated to the enjoyment and enhancement of roses.

Boulder Rose Society:
Focuses on the genus Rosa.

Colorado Cactus and Succulent Society:
Dedicated to the study of cacti and succulents.

Colorado Dahlia Society:
National society dedicated to promoting and supporting the growing, showing and enjoyment of the dahlia.

Colorado Mycological Society:
Dedicated to the study of fungi.

Colorado Native Plant Society:
Dedicated to the promotion of native Colorado plants.

Colorado Water Garden Society:
Society based on water gardening in Colorado.

Denver Orchid Society:
Dedicated to growing orchids in Colorado.

Denver Rose Society:
Dedicated to the promotion of roses.

The Gesneriad Society (formerly AGGS):
Dedicated to gesneriads.

Herb Society of America:
National society dedicated to herb growth, use and education.

Mile High Daylily Society:
Colorado chapter of the national society dedicated to daylilies.

Rocky Mountain Bonsai Society:
Colorado chapter of the national society dedicated to bonsai.

Rocky Mountain Chapter of the North American Rock Garden Society
Colorado chapter of the national society dedicated to rock gardening.

Tropical Plant Society of Denver:
Dedicated to tropical and subtropical plants and houseplants.

Sign up for our e-newsletters!