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Informational table showing disease name, symptoms, pathogen/cause, and management of Euonymus diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Catalpa diseases.

Edema is a disease that affects geraniums, causing leaves to yellow and die.

Informational table showing disease name, symptoms, pathogen/cause, and management of Marigold diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Iris diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Maranta diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Grape Ivy (Cissus) diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Pachysandra diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Poplar diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Privet diseases.

The fungus Nectria invades wood damaged by freezing, hail, animals and insects.

Informational table showing disease name, symptoms, pathogen/cause, and management of Impatiens diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Zinnia diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Leucothoe diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Petunia diseases.

Viruses are submicroscopic entities capable of causing disease. They are a piece of nucleic acid (genetic material) surrounded by a protein coat.

Cut flower pest, disease, and production update for Pennsylvania growers.

Highlights the benefits of incorporating Pennsylvania native perennial plants into home gardens, offering guidance on selection, planting, and care, along with a list of recommended species.

Informational table showing disease name, symptoms, pathogen/cause, and management of Carnation (Dianthus) diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Cineraria diseases.

Two closely related viruses have been widespread and devastating in the greenhouse industry.

Informational table showing disease name, symptoms, pathogen/cause, and management of Hosta diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Delphinium diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Exacum diseases.

Informational table showing disease name, symptoms, pathogen/cause, and management of Coreopsis diseases.