Large Pussy Willow Tree Leaves Have White Mildew Substance And Brown Spots

Question From: Powell, Ohio, United States
Q: Hi Nancy...we have a pussy willow tree that is quite large in our front yard. I am seeing a white mildew substance on a lot of the leaves with some brown spots. Can you help me on treating this with a product that is available and directions on how to use the product.

A: Terry, Your shrub has powdery mildew. I suggest you treat the shrub with Bonide wetable sulfur. For more information about the product and use go to www.yardener.com and enter sulfur in the search box. Always follow the directions on the label. Best And Happy Yardening, Nancy.