Contact Information
Captain Jack's® Bt Bacillus Thuringiensis Ready to Use
Description
Captain Jack’s® BT Thuricide is an effective control for destructive worms and caterpillars such as gypsy moths, armyworms, bagworms, and hornworms. It's a bacteria, Bacillus thuringiensis, that must be eaten by the pests to be effective. After consumption, the bugs immediately stop feeding and will die in 2-3 days. Captain Jack’s® BT Thuricide is approved for organic gardening and can be used up to the day of harvest. Protect fruits, vegetables, shade trees and ornamentals from voracious leaf eating pests. Captain Jack’s® BT Thuricide is safe for birds, earthworms or beneficial insects such as bees and ladybugs.
More Details
Reviews

Have a question?
Notified by email when this product becomes available
Recommended products
Recently viewed product
Sign Up for Our Newsletter
Stay connected and join our growing community!
Shop by Type
Featured Collections
Growing Resources
Healthy-Arrival
Plant Guarantee
Secure Checkout
Encrypted & Safe
1,150+ Varieties
Loved by Gardeners
Copyright © 2026 Garden Crossings LLC. All Rights Reserved.
Our Payment Methods
- Choosing a selection results in a full page refresh.
