Powdery mildew is a common disease that affects strawberries and is caused by a fungus called Podosphaera aphanis. It thrives on dry leaf surfaces when weather is mild (between 60° to 80° F) and humidity is high. What does it look like? Early in its development, powdery mildew can be easily overlooked. Infections usually start … Continue reading When mildew evolves: Understanding strawberry powdery mildew’s secret weapon