Annual concentrate quickly dissolves in water allowing the insecticide to move through the soil into the root zone. Once in roots, the insecticide moves up through the tree or shrub providing year-long insect protection, also providing protection to new growth. Kills adelgids, aphids, bronze birch borers, leafminers, scale and other listed pests. Kills insects and prevents new infestations. Protection cannot be washed off by rain or water. Contains 1.47% imidacloprid. | Bonide Tree and Shrub Insect Control | Size 32 oz