BONIDE Bt Bacillus Thuringiensis RTUControls destructive worms & caterpillars in & around vegetable & flower gardens. Ready to Use spray is designed for organic gardening and can be used up to the day of harvest. Has no effect on birds, earthworms or beneficial insects such as honeybees & ladybugs. Liquid bacteria kills destructive leaf eating worms Approved for organic gardening For use on shade trees, ornamentals, fruits and vegetables Controls listed worms, caterpillars, & moth