Monterey® B.T. Concentrate Organic Insecticide is a safe and effective way to control caterpillars and other worm-type insects in your garden! This biological insecticide is made from a naturally occurring bacteria that is harmless to humans, pets, and beneficial insects.

Easy-to-mix liquid concentrate it is easy to apply. It can be used on a variety of plants, including fruits, vegetables, ornamentals, and shade trees. OMRI-listed for use in organic gardening.

Monterey® B.T. is made from a naturally occurring bacteria called Bacillus thuringiensis subspecies kurstaki (B.t.k.). This bacteria produces a toxin that is lethal to caterpillars and other worm-type insects. including: 

• Cabbage loopers
• Corn earworms
• Fall webworms
• Gypsy moths
• Leafrollers
• Melonworms
• Squash vine borers
• Tent caterpillars
• Tomato hornworms

Monterey® B.T. Concentrate Organic Insecticide is OMRI-listed for use in organic gardening. It is also non-toxic to humans, pets, and beneficial insects. However, it is important to read and follow the label instructions carefully before use.

Monterey Lawn and Garden Products is based in Fresno, in the heart of California’s agricultural region where we first emerged in 1963 as Monterey Ag Resources. Twenty-five years later, we established Monterey Lawn and Garden with the goal of offering home gardeners the same professional-grade technology available to the ag industry.

Monterey® B.T. Concentrate Organic Insecticide is a safe and effective biological insecticide easy to use.

Order yours today!Contains 98.35% Bacillus thuringiensis subsp. kurstaki strain SA-12 solids, spores and Lepidopteran toxins.