[quote="sooby"]What's available in the way of treatment can depend on where you are located and your personal preferences, but this Washington State University article on powdery mildew of apple trees lists both "chemical" and organic methods. If you're in the United States your nearest Extension office should be able to make recommendations of what's available to you also.
Thank you so much! I'm in Washington and their extension office is about 45 mins away. I've been working on getting some of my soil tested as well. Thank you for all your help! I really appreciate it.
