Downy Mildew is a fungal disease characterized by a white powdery mildew present on foliage and flowers and if left to its own devices will eventually cover and kill the entire plant.  This disease has recently been affecting affecting Impatiens throughout various parts of the United States.  Please read each of the articles below to learn more about the disease and preventative measures.

Downy Mildew

Downy Mildew on Impatiens- Increased Threat for 2012

Impatiens Downy Mildew for landscape 2012