Apple Cider vinegar to kill Powdery Mildew-Gayle

wilderness Super Member Schroon Lake, NY in heart of Adirondack Mountains zone 4 Posts: 15,728	Apple Cider vinegar to kill Powdery Mildew-Gayle Nov 13, 2018 9:59:30 GMT -5 Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by wilderness on Nov 13, 2018 9:59:30 GMT -5 Apple Cider vinegar to kill Powdery Mildew-Gayle Mix 4 tbsp. of vinegar (5% solution) with 1 gallon of water. Reapply every three days. Do not mix any stronger.