If you don't want to install a barrier, you can also dig around the edges of the Liriope and pull out any root sections that are threatening to overtake the rest of your garden. Use a sharp spade ...

Read more: Here's The Right Way To Mow If You Don't Want Weeds To Take Over If Liriope muscari is happily thriving in your garden, you want to keep an eye on it to make sure it remains contained ...