(2-PACK) Monterey BT 1 Pint - Bacillus Thuringiensis Org. Insect Pest Control BT
Must be Ingested: Monterey BT only works when caterpillars or worms eat the treated foliage. Use within 24 hours: Use all of the spray mixture within 24 hours for maximum effectiveness. (This can be roughly 1 tablespoon per gallon).