Nancy from Henderson, Co writes
I have 2 purple robe locusts. Nursery told me to apply drench in spring AND fall. Directions say 1x per yr?
Fertilome Tree and Shrub Systemic Insect Drench is meant to be applied once a year. This product has enough of the active ingredient to last over the year to continue killing insects.
Answer last updated on: 08/25/2017