Did you realize baking soda can be used to ward off black spot, a terrible fungus that usually hits roses by late spring?
I like to use safe items I have in my kitchen to fight off garden pests when I can so here is what I use.
1 tablespoon of baking soda
1 teaspoon of dishwashing detergent
1 gallon of water
Mix together and spray on roses early in the morning once a week until disease has disappeared.
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