Text and photos by Laurel Bacogeorge reporting for Native Plant News Fall 2025
Japanese Stiltgrass (Microstegium vimineum) is an invasive plant that spreads quickly and can take over lawns, gardens, and natural areas. If you’re new like me to removing it, the first step is identifying the plant correctly. Stiltgrass has thin, bamboo-like leaves with a silvery stripe down the middle. It grows in dense patches and thrives in disturbed soil. Once you’ve confirmed its presence, the best way to start removal is hand-pulling. Since it has shallow roots, pulling it up is relatively easy, especially after a rain when the soil is soft. The key is to remove it before it produces seeds, which usually happens in late summer or early fall.
Remove stiltgrass in late summer right before it flowers
For larger infestations, mowing or weed eating can be an effective strategy. However, timing is crucial. Mow or use a weed eater in late summer before the grass flowers and produces seeds. If you mow too early, the plant may regrow and still produce seeds. Another option is organic herbicides, but be cautious, as they can affect surrounding plants. In rural areas some people also use controlled burning, though this requires careful planning and permits. Regardless of the method, consistency is important. Since stiltgrass seeds can remain viable in the soil for years, repeated removal efforts are necessary to prevent future outbreaks.
After removing the stiltgrass, it’s essential to restore the area with native plants or ground cover to prevent reinfestation. Bare soil is an open invitation for stiltgrass to return. Planting native grasses or spreading mulch can help suppress new growth. Additionally, keeping an eye on the area and removing any new sprouts promptly will help prevent the problem from escalating again. With patience and persistence, you can successfully manage Japanese Stiltgrass and protect your landscape from its spread.
References
- Hubbard, Pamela T., Controlling Japanese Stiltgrass in Your Garden. July 5, 2923, Penn State Extension
- Uyterhoeven, Sonia, Tip of the Week: Removing Invasive Japanese stiltgrass. Sept 20, 2010, New York Botanical Garden Plant Talk
Laurel Bacogeorge is a member of the NCNPS, Southern Piedmont Chapter. She lives in SE Charlotte with her husband, two sons, and cat. Her home sits on .72 acres, near McAlpine CreekGreenway. Her backyard is frequently visited by white tail deer, hawks, and other wild creatures. She is slowly converting lawn areas to vegetable gardens and native plantings.