Pests & Diseases

Black Spot

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

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.