Most zinnia growers struggle with powdery mildew at some point. It’s so common! Sometimes it seems like it’s just inevitable but there are a few things we can try to prevent it from taking over: Removing the lower leaves of your zinnias does a few things that can help prevent powdery mildew: 1- allows for more airflow between the plants 2- decreases the amount of soil getting splashed up onto the leaves from rain or overhead watering 3- makes watering without getting the leaves wet easier (if yo