Strength matters, whether it is the alcohol content of your favorite brewski or the rooting hormone you choose for a particular plant. While it may be considered more efficient to down the more potent beer, using a stronger rooting hormone than a plant requires will not be rewarded with greater result. A plant that can root in Hormex #3 will find that growth stunted in Hormex #45 and vice versa. Use the right strength for the right cloning power to produce roots in the fastest time. With 50 years of experience to document success, Hormex Rooting Powders are formulated at 6 different strengths for particular plant species from perennial Mints to Yew trees and conditions, such as dormant hardwood cuttings. Make smart choices, in beer and rooting hormone strengths.