Many homeowners want “organic” choices when it comes to selecting weed killers. Fortunately, there are several choices for both selective and non-selective weed control.
Vinegar has been touted as a herbicide but the kitchen version is too weak to do much damage. Industrial acetic acid will kill weeds but I consider it too dangerous to recommend.
There are other products from which to choose:
Non-selective (kills anything it touches);
ammonium nonanoate BioSafe (click for sources)
citrus oil Nature’s Avenger (click for sources)
Selective (kills broadleafed weeds but not grass)
chelated iron (FeDTA) Ortho Elementals Lawn Weed Killer (click for sources) and Bayer Natria Lawn Weed Control (click for sources)
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