Buckhorn plantain (Plantago lanceolata) is a common broadleaf weed that spreads via abundant seeds. You can find buckhorn plantain weeds in all areas of a landscape, including lawn areas, landscape beds, gardens and pastures. Buckhorn plantain plants can be tough to kill, and few effective herbicides are available to eradicate the weed.
Things You'll Need
- Triclopyr or 2,4-D
- Protective gloves
- Face mask
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Pull out the buckhorn plantain weeds as soon as they appear. You can pull them by hand or dig the weeds up using a shovel if the plants are large. Removing the individual buckhorn plantain plants before they produce seeds can help keep the weed population at bay.
Apply a postemergent herbicide made for perennial plants that contains triclopyr or 2,4-D. Apply the herbicide directly to the buckhorn plantain plants in the fall, following the directions on the label carefully.
Apply a preemergent broadleaf herbicide like isoxaben to turfgrass areas where buckhorn plantain weeds have grown. Apply the preemergent herbicide in the off season when the weeds aren’t actively growing to kill the germinating seedlings and dormant weeds. Preemergents like isoxaben are effective only when they’re applied before the buckhorn plantain seeds germinate.
Mulch around ornamental plants and beds with landscape fabric to control buckhorn plantain growth in these areas. Cover the ground area around the landscape plants completely with a black plastic, polypropylene or polyester fabric. You can also use organic mulches, spreading them at a depth of 3 to 6 inches to block sunlight from reaching the soil.