Flower Safe Weed Killer?
I would have to say that using plastic, roofing shingles or anything that does not allow water to penetrate is a BAD idea; also the roots of your flowers cannot breathe. I WOULD say that a thick layer of newspaper is great but also time consuming; I have used...
Flower Safe Weed Killer?
Use Poast; it wont kill anything that blooms. Of course that means if your weeds bloom it wont kill them either but for the most part is the best thing I have found