What's the best (organic) way to control/prevent fungal shrub disease?

Tri12531505
by Tri12531505
  2 answers
  • Janet Pizaro Janet Pizaro on May 11, 2017

    For ????

  • Tri12531505 Tri12531505 on May 11, 2017

    Shrubs. Azaleas especially. Black mold type fungus. Goes away for a while if I spray heavily, but comes back and I want something safer/organic. It literally looks like the bushes were burnt in a fire.