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Shrub Diseases
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Shrub Diseases
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Updated: October 17, 2024
IPM - Prevent, Identify, and Manage Plant Problems
How to ID, prevent, and manage plant problems in Maryland using IPM
Updated: August 12, 2024
Boxwood: Identify and Manage Common Problems
In Maryland gardens and landscapes, boxwood leafminer, Volutella blight, and winter injury are among the most common problems people experience with their boxwood plants. Use this resource to diagnose, manage, and prevent these common problems.
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: January 23, 2025
Cherry Laurel: Identify and Manage Problems
Cherry laurel shrubs are widely-grown evergreens but are vulnerable to several problems. Shrubs can be damaged by pest and disease issues as well as stress from their environment. Learn how to care for these shrubs and manage conditions that cause damage.
Updated: June 10, 2024
Rose: Identify and Manage Problems
List and descriptions of common rose problems
Updated: April 3, 2024
Botryosphaeria Canker of Shrubs
Scattered dying branches on rhododendron could be the common fungal botryosphaeria canker.
Updated: February 6, 2024
Hydrangea: Identify and Manage Problems
Hydrangeas (Hydrangea spp.) are popular flowering shrubs in Maryland summer gardens.
Updated: September 14, 2023
Volutella Blight Disease of Boxwood
Tips of boxwood branches turn yellow to tan. Loose bark on affected branches may indicate this fungal disease.
Updated: June 12, 2023
Azaleas and Rhododendrons: Identify and Manage Problems
List of azalea and rhododendron diseases, insect pests, and abiotic problems.
Updated: March 1, 2023
Petal Blight
Botrytis is a fungal disease on flowers of shrubs, bulbs, and herbaceous perennials that can spread to the stem and cause girdling and dieback.
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