See All Ornamentals and Floriculture

Informational table showing disease name, symptoms, pathogen/cause, and management of Cordyline (Ti Plant) diseases.

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

Informational table showing disease name, symptoms, pathogen/cause, and management of Amelanchier diseases. (Shadbush, Serviceberry)

Fungus-like organisms belonging to the genus Phytophthora are soil- or plant-borne and all are plant pathogens.

Thielaviopsis basicola (Berk. & Br.) Ferraris is a soil-inhabiting fungus that can cause root rot and branch dieback on a number of woody and herbaceous plants.

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

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

Deciding what to do about spotted lanternfly in your landscape depends on the level of risk to your plants and what works for you.

Jimsonweed is an annual plant that is poisonous to animals and humans.

Piccioni began on January 27, 2025

Considered a weed in turfgrass and landscape beds, common mallow is an interesting plant in that it can be an annual or biennial.

Learn to identify and manage greenhouse and interior plantscape pests using effective biological and chemical control strategies.

An informative guide designed to help users select and apply biological control agents to effectively manage insect and mite populations.

Landscapes not only supply ecosystem services such as aesthetics, wildlife habitats, pollinator support, but with a little knowledge and creativity will also support a variety of edibles. Landscaping professionals are uniquely positioned to help homeowners with design ideas and advice.

The return of metarhizium brunneum strain F52 to the market gives growers another tool for combatting pest problems in the greenhouse.

Greenhouse pest management stands as a crucial aspect of agricultural and floricultural practices, with its significance deeply rooted in maintaining product quality and optimizing yields.

Asian pears are considerably different from the old, hard, European varieties like Keiffer and Seckel.

Easter lily popularity as a greenhouse crop has declined over the years, but there are still thousands of Easter lilies produced in Pennsylvania greenhouses each spring.

Soil health and best practices for urban gardens

Powdery mildew occurs on many different flowers, woody ornamentals and trees.

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

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

Bacterial blight of geranium is the single most important disease of geraniums.

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

Informational table showing disease name, symptoms, pathogen/cause, and management of Crassula (Jade Plant) diseases.