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Safer® Brand is the leader in finding natural and organic solutions for lawn and garden products. Safer® products are certified compliant by OMRI (Organic Materials Review Institute) so you can feel confident you are using a safe alternative solution to keep your plants pest-free.

Safer® Brand Caterpillar Killer with B.T. 8 oz. Concentrate solution naturally kills caterpillars and leaf-eating worms. It will not harm beneficial insects or children or pets. The caterpillar or worm ingests the Dipel® and immediately stops feeding. They then die within a few days. Your lawn or garden will be caterpillar-free all year long!

The 8 oz. concentrate bottle makes up to 8 gallons of solution!


  • Read all directions on bottle label.
  • Apply this product in late afternoon or on cloudy days as B.T. breaks down in direct sunlight.
  • We recommend you test each plant for sensitivity. Spray a small section of plan and wait 24 hours before applying fully.
  • Apply product when caterpillars or worms are first noticed and repeat as necessary every 7 to 10 days.
  • Continue to monitor treated areas as eggs can hatch over an extended period of time.
  • Apply 2 to 3 ounces per 50 feet of rows planted.

For full instructions on use, please click on the PDF link.

Instructions MSDS Active Ingredients: Dipel® (bacillus thuringiensis va Kurstaki) -- 1.76%

Please include a street address for shipping. We are unable to ship to P.O. Boxes.

Category: Garden Center

Weight: 0.55

Item Number: 6571

Format: OTH

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