tree disease
Dutch Elm Disease Back In Colorado
For many Colorado neighborhoods, mature elm trees are more than just landscaping—they are history. American elm and Siberian elm were widely planted in the early and mid-1900s for their fast growth, beautiful arching canopies, and deep shade. But today, elm populations face a serious threat: Dutch Elm Disease, one of the most destructive tree diseases in North America.
Read MoreNeedle Cast in Spruce Trees: What Colorado Homeowners Should Know
Evergreen spruce trees — like Colorado blue spruce, white spruce, and other ornamental spruces — are among the most popular evergreens in Colorado landscaping. Their year-round color and classic shape make them favorites for windbreaks, privacy screens, and yard aesthetics.
Read MoreIron Chlorosis in Colorado Trees
If you’ve ever noticed your tree’s leaves turning yellow while the veins stay green, especially in the spring and early summer, you’re likely seeing a condition called iron chlorosis. It’s one of the most common nutrient-related issues we diagnose in Colorado landscapes.
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