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1 Pint Concentrate

OMRI Listed Monterey Bt Liquid Concentrate is a biological insecticide that can be used on fruit trees, vegetables, ornamentals and many other plants. The active ingredient is Bacillus thuringiensis subspecies kurstaki strain SA-12 (Btk). This product affects only the larval (caterpillars) stage of the Lepidoptera order. Once the larvae ingests the Btk, the bacteria works to stop feeding until death occurs. It will not affect birds or beneficial insects (bees, green lacewing, ladybugs, etc.) when used as directed.

This Product Controls These Pests or Diseases: Caterpillars


Always shake and stir Monterey B.t. thoroughly before use. Partially fill sprayer with water before adding the application rate amount of product. Mix product in and add remaining amount of water. Use all of spray mixture within 24 hours.

Application Rate: Mix 2 fluid ounces per 3 gallons of water (4 teaspoons per gallon) for a hand sprayer and apply to all plant foliage. 3 gallons of solution will treat up to 1,000 square feet.

Repeat applications weekly to maintain control of pest insects.

Organic Monterey B.t. (Bacillus thiringiensis)

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