BTK (Bacillus thuringiensis kurstaki) Spray
Effective for: Caterpillars, Corn Earworms
Ingredients:
1 teaspoon of BTK powder or liquid concentrate
1 quart of water
Instructions:
Mix BTK into water as per the manufacturer’s instructions.
Spray onto plants where caterpillars are present.
Reapply every 7-10 days or after rain.