Insect Annihilator:

All Natural, safe to use on all food crops
Root Drench

For heavy infestations repeat applications may be required with 2-3 day intervals. 

Safe to use until day of harvest.

Active Ingredients: Rosemary Oil, Thyme Oil, Clove Oil, Cinnamon Oil 
Inert Ingredients: Reverse Osmosis Water, Polyglyceryl Oleate,
Ascorbic Acid