Broadleaf Weed – Mouse-Ear Cress

(Sisymbrium thaliknum)

Mouse-ear Cress, also known as Mouseear Cress and Sisymbrium thaliknum, is a winter annual broadleaf weed. Preferring open ground with sandy soils, Arabidopsis thaliana is often found in fields, pastures, lawns, waste areas, and along railroads and roadsides. Mouse-ear Cress can be found throughout much of the continental United States.

Identifying Mouse-Ear Cress -

Mouse-ear Cress is a winter annual that is branched, rough and often hairy at the base. Its flowering stems grow vertically from a basal rosette of leaves on short petioles . The stems can grow up to a foot in height.

Blooming from April through May, Mouse-ear Cress features tiny flowers about 1/8" in diameter. The flowers are made up of four white petals with four light green sepals , several yellow-green stamens , and a pistil with a single style. Reproduction is by seeds produced in long, slender seedpods. Mouse-ear Cress is often found growing side by side with Whitlow Grass.

Mouse-Ear Cress Control -

Mouse-ear Cress can be difficult to control using cultural weed control methods alone. Although good lawn mowing and watering habits can help fight this weed, you will need professionally selected and applied herbicides to complete remove it from your lawn.

Mouse-Ear Cress

Scotts LawnService uses a selective systemic weed control program to fight Mouse-Ear Cress in your lawn and landscaping, which ensures the herbicide is moved throughout the weed, killing it completely root and all. 

Scotts LawnService is the trusted industry leader for professional quality lawn care. Our exclusive lawn care products include premium grass seeds and professional-grade fertilizers; our lawn service teams consist of highly trained, industry-certified professionals. Contact a representative today for Mouse-Ear Cress control options available in your area and to learn how you can enjoy a lush, thicker lawn that only Scotts LawnService can deliver.