Colorado State University Cooperative Extension.
"A cooperative agency between the U.S. Department of Agriculture, Colorado State University and Colorado counties. It is part of a nation-wide system delivering research-based educational programs at the county level." Hundreds of fact sheets can be accessed from the links on this page but the main topics of use to Community Gardeners are gardening fact sheets and insect fact sheets. Additional information is available online for both gardening and insects.

Planttalk Colorado®
Planttalk Colorado® "is a 24-hour toll-free automated phone service that provides reliable timely information on variety of horticultural topics. Its website has text versions of all the Planttalk Colorado® scripts. Planttalk Colorado® is sponsored by Colorado State University Cooperative Extension, Denver Botanic Gardens and the Green Industries of Colorado."

Plant Select®
Plant Select® "is a program designed to seek out and distribute the very best plants for gardens from the high plains to the intermountain region. It is a cooperative program administered by Denver Botanic Gardens and Colorado State University, together with landscape and nursery professionals throughout the Rocky Mountain region and beyond."