Overview
Powdery Mildew is a group of fungal diseases that create a distinctive white, powdery coating on plant leaves and stems. It affects many ornamental plants and trees in Colorado landscapes.
Signs & Symptoms
- White or gray powdery coating on leaves
- Leaf distortion and curling
- Stunted growth
- Premature leaf drop
- Reduced flowering
Treatment & Prevention
Fungicide applications can control Powdery Mildew. Cultural practices like improving air circulation, avoiding overhead watering, and planting resistant varieties are important preventative measures.