I cam across this homemade recipe for killing /removing Powdery Mildew from your plants it works really well and its cheap to make. So I thought I would share this with you all.
Powdery Mildew Killer/Remover
– one gallon water
-one tablespoon baking soda
-mild dish detergent (Ivory works well)
You simply pour ingredients into a spray bottle and spritz the tops and bottoms of leaves. Include a light application to the ground around plants. When plants begin to bloom , make weekly applications to prevent these pests.
Simple Right :)I hope this helps someone.