The power of Monterey B.t. in a convenient, ready-to-use spray!
Monterey B.t. Biological is an all-natural, OMRI-listed insecticide that targets worms and caterpillars. It contains the active ingredient kurstaki. Kurstaki is a subspecies of the naturally-occurring bacteria Bacillus thuringiensis. This is a one-gallon bottle.
Once ingested, Monterey B.t. causes disease in the digestive systems of worms and caterpillars. This sickness causes the insects to stop feeding and eventually die. Use Monterey B.t. Biological Insecticide on your fruits, vegetables, shade trees, and flowers.
You can safely apply Monterey B.t. Biological Insecticide at any time, including the day of harvest. For best results, apply directly to your plants at the first sign of an infestation. This bottle covers up to 165 square feet. Also available in a Concentrate.
- Active ingredient: Bacillus thuringiensis kurstaki
- Volume (ounces): 32
- Approximate coverage area per bottle (square feet): 165

- This product is covered under A.M. Leonard’s exclusive 30-Day Down to Earth Guarantee. Click Here for more Details.
- All-natural OMRI-listed insecticide
- Convenient ready to spray bottle
- Eliminates worms and caterpillars
- OMRI-listed safe for organic gardening
- Works on fruits, vegetables, shade trees, and flowers
- Safe to use up to and on the day of your harvest
Monterey B.t. Biological Insecticide targets worms and caterpillars.
2. What is the active ingredient in Monterey B.t. Biological Insecticide?
The active ingredient in Monterey B.t. Biological Insecticide is kurstaki, which is a subspecies of the naturally occurring bacteria Bacillus thuringiensis.
3. Is Monterey B.t. Biological Insecticide safe for organic gardening?
Yes, Monterey B.t. Biological Insecticide is OMRI listed and safe for organic gardening.
4. How do I apply Monterey B.t. Biological Insecticide?
For best results, apply Monterey B.t. Biological Insecticide directly to your plants at the first sign of an infestation. It is safe to use up to and on the day of your harvest. The convenient ready-to-spray bottle covers up to 165 square feet.
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