BioAdvanced Brush Killer Plus is a special penetrating formula that kills even the toughest brush and vine weeds, including kudzu, poison ivy, poison oak, blackberry and bramble. Plus, it kills more than 70 types of listed weeds systemically, to the root. It’s the easy, convenient way to eliminate unsightly brush, vines, brambles and listed weeds from your home’s landscape. Spray when brush is leafed out and actively growing. Controlling brush has never been easier. This BioAdvanced Brush Killer Plus measures 1 gallon. Active Ingredients: 0.8% Triclopyr, triethylamine salt. EPA Registration Number: 92564-8. BioAdvanced. Get More From The Blue Bottle®.