Identifying and Managing Powdery Mildew Fungus on Bee Balm Leaves
To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video If you’ve grown bee balm you probably know about powdery mildew. This fungal disease produces a powdery white film on the leaves. This prevents sunlight from reaching the leaves that can eventually yellow and brown. Fortunately, you … Read more