Pests & Diseases

Brown Soft Scale

This common scale attacks a wide range of houseplants, including anthuriums, citrus, dieffenbachia, ferns, orchids and ornamental figs.

Citrus Mealybug

The citrus mealybug is a major greenhouse and houseplant pest. In subtropical climates, this sucking insect is also a problem outdoors.

Citrus Mealybug

The citrus mealybug (Planococcus citri) is a major greenhouse and houseplant pest. In subtropical climates, this sucking insect is also a problem outdoors.

Damping-Off Fungi

Damping-off is the infection of young seedlings by a variety of different fungi, most often species of Rhizoctonia, Pythium, and Fusarium.

Mexican Bean Beetle

Mexican bean beetle (Epilachna varivestis), a member of the ladybug family, attacks many kinds of beans—bush, pole, and lima—as well as cowpeas and soybeans.

Gray Garden Slug

The gray garden slug (Deroceras reticulatum), introduced from Europe, is the most damaging slug species in the United States.

Black Spot

Black spot (Diplocarpon rosae) is the most serious and widespread disease of roses, thriving wherever there is adequate humidity and rainfall.