Tree Pests & Diseases
Know what goes wrong, and when.
Species-level pest and disease calendars for the trees that grow on the Front Range. Find your tree, see what threatens it through the season, and learn which symptoms warrant a call.
Browse
By tree group
- 01
Conifer Trees
10 species guides
Pest, disease and environmental problems tracked across conifer trees in Colorado landscapes.
- 02
Deciduous Trees
35 species guides
Pest, disease and environmental problems tracked across deciduous trees in Colorado landscapes.
- 03
Ornamental Trees
15 species guides
Pest, disease and environmental problems tracked across ornamental trees in Colorado landscapes.
60 species maintenance guides migrated into The Root.
Great Western Tree Care
When you want a professional opinion
The Root exists to help you understand your landscape. When a tree needs hands-on evaluation, a Great Western arborist can look at it in person.