Even Mother Nature needs a little help sometimes! BoomerangÂ® lends a hand when the stresses of temperature fluctuations, unintentional neglect, and mineral salt build up knock your beauties down for the count. The soil microbes in BoomerangÂ® help support the root zone. BoomerangÂ® can also be used as a vegetative supplement. It contains solubilized nutrition that is immediately available to plants. Bush DoctorÂ® BoomerangÂ® is the â€œComeback Formulaâ€ that gives your plants a fighting chance.