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Updated: January 24, 2025
Crapemyrtle: Identify and Manage Problems
Crapemyrtles are widely-grown trees and shrubs, but are vulnerable to several problems. They can be damaged by pests, diseases, and stress from their environment. Learn how to care for these plants and manage conditions that cause damage.
Updated: September 11, 2023
Key to Common Problems of Dogwoods
What's wrong with my dogwood, you ask? Use this guide to determine the common pests, diseases, and abiotic problems of dogwoods.
Updated: June 8, 2023
Why Oak Trees are Declining or Dying
Oak trees are declining for a variety of reasons.
Updated: March 30, 2023
Ornamental Cherry Trees: Identify and Manage Problems
Prevent, diagnose and manage ornamental cherry tree problems
Updated: February 27, 2023
What's Wrong with my Colorado Blue Spruce Tree?
Dr. Dave Clement, University of Maryland Extension Plant Pathologist, explains two common diseases of this popular evergreen tree.
Updated: February 27, 2023
What Causes Trees and Shrubs to Die?
Not all plant problems are caused by insects and diseases. Many tree and shrub problems are due to environmental issues or planting errors.
