Flower Diseases

Identify gray mold disease symptoms on flowers.

Identify and manage fungal leaf spots on flowers.

Bacterial leaf spot on English ivy. Photo: University of Maryland

Identify downy mildew disease symptoms on flowers.

Identify symptoms of leaf spot disease on annuals, bulbs, groundcovers, perennials, and vines.

Canker disease symptoms can occur on woody tissues of shrubs and vines.

Identify symptoms of crown gall disease on flowers.

Identify symptoms of anthracnose lesions on annuals, bulbs, groundcovers, perennials, and vines.

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

Identify and manage fungal disease on various herbaceous perennials.