Monterey's Organic Disease Control is a great biofungicide and bactericide! Since it relies on a strain of beneficial bacteria, it's about as natural as it gets! Effective against blight, powdery mildew, botrytis, and more!
Monterey's Organic Epsom salts provides plants with much needed magnesium. This assists in the production of chlorophyll which helps promote plant vigor. Epsom salts also promote flowering in roses and other flowers!