Flower Diseases

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Updated: September 16, 2021

IPM - Prevent, Identify, and Manage Plant Problems

How to ID, prevent, and manage plant problems in Maryland using IPM
no lawn landscape
Updated: June 28, 2021

Bacterial Leaf Spot and Leaf Blight Disease on English Ivy

Bacterial leaf spot on English ivy. Photo: University of Maryland
leaf spot on English ivy
Updated: June 28, 2021

Wilt Diseases of Vinca

Phomopsis and phoma are wilt diseases on vinca groundcover.
wilting and browning vinca - phoma symptoms
Updated: June 16, 2021

Virus Diseases on Flowers

Learn to identify the symptoms of various viruses of flowers.
spots on astilbe leaf - cucumber mosaic virus symptoms
Updated: June 14, 2021

Gray Mold Disease on Flowers

Identify gray mold disease symptoms on flowers.
gray mold on carnations
Updated: March 25, 2021

Rhizoctonia Web Blight on Flowers

Identify and manage fungal disease on various herbaceous perennials.
wilting symptoms - web blight
Updated: March 25, 2021

White Mold Disease on Flowers

Identify and control this fungal disease on flowers.
brown dead leaves on sunflower - symptom of sclerotinia
Updated: March 25, 2021

Root, Crown, and Stem Rots on Flowers

Identify and manage root, crown, and stem rots on flowers and groundcovers.
root rot symptoms on pansy
Updated: March 25, 2021

Powdery Mildew Disease on Flowers

Learn to identify powdery mildew symptoms and its management on flowers.
powdery mildew on phlox leaves
Updated: March 24, 2021

Southern Blight Disease on Flowers

Identify and control the spread of Southern blight disease on flowers.
southern blight symptoms on delphinium