Aspirin is the remedy for fungal plant problems, Black spot, powdery mildew, and rust are a terrible trio of fungi, which can attack and destroy your plants. Scientists have found that two uncoated aspirin tablets (325 milligrams each) dissolved in 1 quart of water and used as a foliar spray can thwart these diseases. I have not tried this, but I will.
Dawn + Vinegar After seeing this on Pinterest last year, this is now my favorite cleaner. It's amazing. I spray, walk into the next room to spray the sink in there, come back, and---ta-da!---one wipe with a damp cloth takes off the lime build-up on my Wisconsin sinks! It's awesome for countertops, stove, toilet, the fridge, and even the floor! (The only thing it doesn't do is windows!) -bls