Fortress is a pre-emergent granular herbicide for control of weeds in nursery containers and field grown ornamentals. Formulated on the engineered Verge granule, Fortress produces virtually no dust and low odor, resulting in improved worker safety and ease of application.
Active Ingredients: Isoxaben 0.50%, Dithiopyr 0.25% Herbicide Mode of Action: Group 21 + 3 EPA Signal Word: DANGER / PELIGRO EPA Registration Number: 59807-19 Application Rate Range: (see label) Container Size(s): 50 Lbs.