Roundup® 5002310 Concentrate Brush Killer, 1 QtKills all types of tough weeds blackberries, kudzu and other tough to control brush. Rainproof protection in 30 minutes. Use on wooded lots and other areas where brush invades your yard. Can be used to kill stumps and prevents regrowth. 1 quart Concentrate The best value Kills all types of tough weeds and grass, including woody bush and vines Ideal for larger projects Great for refilling pull 'n spray applicator The most economical way to kill tough