The systemic insecticide treatment for drenching should be applied every spring. For best results, use the insecticide before the tree becomes infected. Do not drench the insecticide in porous ...

Ferti-lome Systemic Tree and Shrub Drench (imidacloprid) * Bonide Bullets (acephate). * ACECAP 97 Systemic Insecticide Tree Implants (acephate) * Bonide Annual Grub Beater (imidacloprid ...

Arborists and tree surgeons can treat borer infestations with insecticide spray. For homeowners, we believe that the most effective, easiest way is “systemic drench”, using imidacloprid ...