Captain Jack's® Bt Bacillus Thuringiensis Ready to Use

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.