Bonide BK-32 1 Qt. Concentrate Brush KillerPowerful, non volatile formula brush killer. Works on the toughest weed species, yet is harmless to grass. Stays were sprayed, no danger of vapor damage or root uptake by surrounding trees and ornamentals. Kills over 150 woody and vine like weeds including poison ivy, poison oak, wild blackberry, kudzu, sumac, and pokeberry. Prevents stump re growth. Contains MCPA, triclopyr, and dicamba.