Monterey B.t.
Best organic solution for gardeners managing caterpillar and worm infestations.
This biological insecticide offers a targeted, non-toxic way to manage caterpillar infestations in vegetable gardens. By utilizing naturally occurring bacteria, it stops pests from feeding immediately while remaining safe for beneficial insects and edible crops right up until harvest.
$16.99
at
Grow Organic
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Who it's for
- Eco-conscious gardeners protecting pollinators while managing specific pest infestations
- Organic growers seeking effective pest management for edible crops
- Budget-minded homeowners maintaining large vegetable patches or ornamental landscapes
Who should skip it
- Gardeners dealing with diverse pest types beyond caterpillars and worms
- Busy individuals unable to maintain a strict evening application schedule
- Impatient users wanting immediate visible knockdown of active garden pests
Performance breakdown
Pest Specificity
Targets caterpillars and worms precisely without harming beneficial garden pollinators.
Application Convenience
Ready-to-use spray format eliminates the hassle of mixing concentrated formulas.
Harvest Safety
Zero-day pre-harvest interval ensures produce is safe to eat immediately.
Organic Compliance
OMRI listing guarantees strict adherence to organic gardening standards.
Environmental Impact
Biological formula leaves no toxic chemical residue in your soil.
Coverage Efficiency
Best suited for spot treatments rather than large-scale agricultural acreage.
Key Specs
Active Ingredient
Bacillus thuringiensis (Bt)
Organic Status
OMRI Listed
Container Size
1 Quart
Form
Ready to Use
Shipping Weight
3.0 lbs
Dimensions
11.5 inches L x 1.75 inches W x 4.75 inches H
Application Method
Spray
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