When a polar vortex rolls through Colorado, everyone is miserable, even our poor trees. Dramatic temperature swings, winds and bitter cold can do serious damage.

Logan County Extension, a cooperator with the Colorado State Forest Service, is accepting applications for the 2010 seedling tree program. The purpose of the program is to enable farmers, ranchers,… ...

Beginning Nov. 1, the Morgan County Extension will be accepting applications for the 2013 seedling tree program. Morgan County Extension is a cooperator with the Colorado State Forest Service on ...

Bridget Tisthammer has received training through Colorado State University Extension’s Master Gardener program and is a Master Gardener volunteer for Larimer County. Learn more about trees ...

BOULDER COUNTY – Trees this summer have dealt with many challenges, from wet feet to intense heat, and some are starting to throw in the towel. Although the temperature continues to bake us ...

The 2007 Seedling Tree Program is under way at the Summit County CSU Cooperative Extension. The purpose of this annual program is to encourage the planting of native seedling trees to create ...

The CSU Extension website has fact sheets about many trees detailing what type of environment is best for them, what kind of care is required and what they're susceptible to -- information that ...

Horticulture Specialist Amanda Weidner of the Pueblo County CSU-Extension Office writes about planting trees and offers tips on doing so effectively.

Each tree on the list is placed into one of four categories (recommended, recommended for most sites, conditionally recommended, and trees with potential) or added to a non-recommended list.

Lakewood residents can find resources for tree evaluations and treatments here. More information about emerald ash borers can be found on the CSU Extension website.

Horticulture Specialist Amanda Weidner of the Pueblo County CSU-Extension Office writes about planting trees and offers tips on doing so effectively.