Bush Doctor Boomerang helps when the stresses of temperature fluctuations, unintentional neglect, and mineral salt build up knock your beauties down for the count. Boomerang's microbial-based formula helps heal damaged root tissue while encouraging new root growth and internodal vegetative growth. It contains solubilized organic nutrition that is immediately available to plants. In addition to encouraging amazingly fast recovery of stressed plants, Boomerang can also be used as a vegetative supplement. Boomerang is the "Comeback Formula" that gives your plants a fighting chance.