A variety of fungal diseases effecting ornamental plants and shrubs. While the disease is almost exclusively an aesthetic threat, it can influence taste of fruits and vegetables, as well as overall health of plants. Infection is increased during sunny days and cool nights.
Ornamentals including Beebalm, Lilacs, Zinnias, Roses, Garden Phlox, various vegetables
Threat to Trees
Minimal to Moderate
Fungal spores travel in wind and overwinter on plants and in plant debris, requiring no water to grow
Signs & Symptoms
Gray, talcum-powder colored coating that covers leaves, flowers, and sometimes fruit of vegetables, perennials and shrubs