Japanese Stiltgrass Seed Heads

Japanese stiltgrass prefers to grow in the kind of moist shady conditions that weaken turf.

Japanese stiltgrass seed heads. The best way to use this method is to allow the grass to grow naturally until late august or september when it starts developing seed heads. The rapid growth and abundant seed production of japanese stiltgrass allows it to displace less competitive native vegetation in a wide range of ecosystems. Get to know nimblewill and stiltgrass. Stiltgrass is susceptible to a number of herbicides suitable for use in parks.

Correct identification is necessary before beginning any management activities. Flowers and seeds borne on one to six slender one to two inch long heads in sept. When i roamed north carolina piedmont woodlands and stream sides as a child and young adult japanese stiltgrass was nowhere to be. If the seed heads have not yet fully formed pulling the shallow rooted plants is the way to go.

Nimblewill left goes head to head with japanese stiltgrass right. Unlike crabgrass japanese stiltgrass flowers and sets seeds much later from mid september through october. Mike mcgrath shares tips and tricks to getting rid of those pesky weeds in your lawn without all the fire and fury. Timing treatment product rate oz ac comments before stiltgrass germination apply early to mid march pre.

Japanese stiltgrass also known as bamboograss flexible sesagrass japanese grass mary s grass microstegium nepal microstegium nepaleze browntop or vietnamese grass is a summer annual commonly found in shady moist areas and is spreading rapidly in woodlands as well as shaded landscapes and low maintenance turf throughout the southeastern united states mid atlantic states and north. Impact on the environment. The small seeds may be carried by animal fur water during heavy rains contaminated hay potted plants or soil and mud stuck to footwear. Prescriptions for elimination of japanese stiltgrass focus on reducing competition as early as practical in the season and preventing seed set.

Japanese stiltgrass may be driving you crazy but don t go for the torch just yet. Infestations spread rapidly and the seed can remain viable in the soil for up to five years. Japanese stiltgrass will simply grow lower and make seed heads lower than your mower height. One plant can produce up to 1000 seeds.

Annual or short lived perennial grass. Multiply the above reasons by the number of seeds one plant produces in a season. Best identified by silver streak along center of upper leaf surface. Fortunately japanese stiltgrass has a unique combination of characteristics that make field identification possible.

Nimblewill is invasive in california but native to 40 states. Widespread in all three counties.