In caring for roses, it’s important to know that treatments are available for some of the most common pests and diseases.
Aphids, also known as plant lice, greenflies, blackflies, or whiteflies are small sap-sucking insects, and are members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on cultivated plants.
Black spot is a common rose disease (Diplocarpon rosae). This fungal disease forms black spots all over the foliage of rose bushes. If left unchecked, it can cause a rose bush to totally defoliate.
Rusts are plant diseases caused by pathogenic fungi of the order Pucciniales. Unlike other plant pathogens, rust usually affects healthy and vigorously growing plants.
Powdery mildew is a fungal disease affecting a wide range of plants. These diseases are caused by many different species of fungi in the order Erysiphales. Infected plants display white powdery spots on the leaves and stems.