Liriope is in the lily family so will not be affected by the grass herbicide.
Broadleaf weed control in liriope.
Extreme care should be taken to avoid spray contact on the foliage of desired vegetation.
Will not control broadleaf weeds or sedges.
The herbicide image kills nutsedge with imazaquin can be used to control sedges and it s safe to use on liriope.
For the grass you can use a grass specific herbicide such as grass b gone ornamec over the top etc.
Department of agriculture hardiness zones 5 through 10.
Try to hand pull or hoe the broadleaf weeds.
The following is information on weed control in liriope and mondo grass beds from the university of georgia.
Preemergence and or pre plant applied herbicides for residual control of weeds in selected ornamental plants.
Many annual and some perennial grasses including torpedograss.
There is not a broadleaf weed killer that you could use that wouldn t also harm the liriope.
Weed beater complete is great for pre and post control of broadleaf and grassy weeds.
Weed control in ground covers is based on starting with a weed free bed mulching and the use of preemergence herbicides.
Products applied for burndown of existing vegetation prior to planting and or post directed for weed control around existing ornamental plants.
Liriope liriope muscari also known as lilyturf is suitable for use as a landscape planting in u s.
Ut extension horticultural specialist carol reese recommends pulling the weeds to get rid of them and then using a pre emergent herbicide like preen to take.
For grass weed escapes in lirope beds fenoxaprop clethodim fluazifop p butyl and sethoxydim are labeled for postemergence use for one or more species.
Bonide weed beater complete pre emergent granules.
Fusilade ii is specifically labeled for use in greenhouses while ornamec is not.
Be careful when using this herbicide around ornamental grasses.
It kills the weeds in your lawn including many varieties of broadleaf weeds.
If the weed is a sedge several applications should greatly reduce the population.
It also contains a pre emergent preventing new weeds from germinating in your lawn.