powdery mildew dahlias

Powdery mildew is a fungus that lives in soil. It’s unlikely to kill your dahlias, but it can infect their leaves/stems and affect the plants’ ability to photosynthesize. It won’t stop your dahlias from blooming, but it will certainly slow them down.  Air Circulation is Important Preventing powdery mildew is easier than treating it. We’ve […]

Powdery mildew is a fungus that lives in soil. It’s unlikely to kill your dahlias, but it can infect their leaves/stems and affect the plants’ ability to photosynthesize. It won’t stop your dahlias from blooming, but it will certainly slow them down.  Air Circulation is Important Preventing powdery mildew is easier than treating it. We’ve