Bonide weed beater complete pre emergent granules.
Broadleaf weed control in liriope.
Imazaquin can be used on liriope muscari evergreen giant and silvery sunproof for control of some broadleaf and grass weeds as well as sedges and wild garlic pre and postemergence.
Preemergence and or pre plant applied herbicides for residual control of weeds in selected ornamental plants.
Once weeds emerge in beds postemergence options are somewhat limited expecially for broadleaf weeds.
The following is information on weed control in liriope and mondo grass beds from the university of georgia.
If the weed is a sedge several applications should greatly reduce the population.
Products applied for burndown of existing vegetation prior to planting and or post directed for weed control around existing ornamental plants.
Extreme care should be taken to avoid spray contact on the foliage of desired vegetation.
Try to hand pull or hoe the broadleaf weeds.
It also contains a pre emergent preventing new weeds from germinating in your lawn.
Will not control broadleaf weeds or sedges.
Liriope is in the lily family so will not be affected by the grass herbicide.
The herbicide image kills nutsedge with imazaquin can be used to control sedges and it s safe to use on liriope.
There is not a broadleaf weed killer that you could use that wouldn t also harm the liriope.
It kills the weeds in your lawn including many varieties of broadleaf weeds.
Liriope liriope muscari also known as lilyturf is suitable for use as a landscape planting in u s.
For grass weed escapes in lirope beds fenoxaprop clethodim fluazifop p butyl and sethoxydim are labeled for postemergence use for one or more species.
Many annual and some perennial grasses including torpedograss.
Be careful when using this herbicide around ornamental grasses.
Fusilade ii is specifically labeled for use in greenhouses while ornamec is not.
Department of agriculture hardiness zones 5 through 10.
How to kill weeds in liriope.
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.