Applications may be made to both newly transplanted and established ornamentals preemergent to weed germination. Existing weed growth must be removed for satisfactory weed control. When applied to soil, the material is rapidly and strongly fixed by soil colloids. Due to its low water solubility and to this adsorption, the downward and lateral movement is limited under the influence of rain or irrigation. Therefore, the chemical must be applied uniformly for satisfactory weed control.
Moisture is required to activate the chemical.
Rainfall or overhead irrigation after application will improve weed control. This information is provided as a public service, but we cannot guarantee that the information is current or accurate. Readers should verify the information before acting on it.