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Kreg from Houston, Texas writes

Will Crossbow Specialty Herbicide - 2, 4-D & Triclopyr kill Johnson grass if spray directly on the grass, also do I need to add a surfactant to the mixture

Answer:

Crossbow Specialty Herbicide - 2, 4-D & Triclopyr is not labeled for grassy weeds like Johnsongrass, but for brushy type weeds. We would recommend using a product like TVC Total Vegetation Control. TVC is labeled for grassy weeds like Johnson grass. Please be aware this is a vegetation mgmt product and will kill any grass you apply it to. Using a surfactant will always help the herbicide to adhere to weed leaves with some herbicides but the Crossbow product label only mentions adding a surfactant for certain situations when tank mixing with liquid nitrogen, so in general one is not added.

Answer last updated on: 04/09/2014

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