Shrub Diseases

List and descriptions of common rose problems

Scattered dying branches on rhododendron could be the common fungal botryosphaeria canker.

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.

Hydrangeas (Hydrangea spp.) are popular flowering shrubs in Maryland summer gardens.

Tips of boxwood branches turn yellow to tan. Loose bark on affected branches may indicate this fungal disease.

List of azalea and rhododendron diseases, insect pests, and abiotic problems.

Botrytis is a fungal disease on flowers of shrubs, bulbs, and herbaceous perennials that can spread to the stem and cause girdling and dieback.

There are several species of lilacs that are grown in Maryland.