Liriope is often used as a border plant in landscape beds or to fill a bare area. Liriope stays green and flowers so it is a good choice for a lot of landscapes. One issue that can develop with liriope in landscape beds are the development of weeds. We are discussing liriope, not mondo grass. The products mentioned below may not be the correct choice for mondo grass. Let's get to it. How to control weeds in liriope grass.
How to control grassy weeds in liriope
Grassy weeds are difficult to control in liriope if you are trying to pull them out by hand. The best product we have found is Fusilade II by Syngenta. Fusilade II can be applied over the top of liriope and takes care of a long list of grasses and grassy weeds, including both crabgrass and bermudagrass.
How to control broadleaf weeds in liriope
Broadleaf weeds pop up in liriope beds like anywhere else. You may have some success by pulling broadleaf weeds, especially if they have a tap root system. A lot of broadleaf weed control options have temperature restrictions. We've used Image. It shouldn't be used when temperatures are above 85 degrees F.
How to control sedges in liriope
Sedges are connected underground by tubers and rhizomes. This makes it so you can never remove a sedge completely by pulling it. We use Certainty as an over the top selective control for sedge weeds in liriope. It provides excellent control of yellow nutsedge, purple nutsedge, and green kyllinga.
The products suggested here are the ones we have used and found to work. Labels can change over time, so be sure to always check the product label first. If you are looking for a good landscape contractor or need help with weed control, please get in touch with us.