Safer Brand Caterpillar/Worm Killer, 16 oz Soil Amendments An OMRI listed Organic insecticide

An OMRI listed Organic insecticide

Infused with Advanced TruBiotic

Supports robust root development and vigorous vegetative growth

Simplot’s Ammonium Sulfate

Safer Brand Caterpillar/Worm Killer, 16 oz Soil Amendments An OMRI listed Organic insecticideSafer Brand 16 oz. Caterpillar Killer II Concentrate kills worms and caterpillar stage insects but has no effect on birds, earthworms, or beneficial insects when used as directed. The caterpillars and worms that are damaging your plants will stop feeding immediately after ingesting the bacterium, which is known scientifically as Bacillus Thuringiensis var. Kurstaki (B. t. for short). Use in late afternoon or on cloudy days since the BT breaks down in