Stephen from Bend, Oregon writes
Tower Herbicide is effective applied in the fall, depending on where you are located. If you are located in the northern Zone you make one application in spring by May first. If you are in the transition zone you one-two applications March-May and August-October 31st. If you are in the southern zone you make two-three applications Spring Feb-March and Fall August through October 31st.
Answer last updated on: 09/18/2013