A low growing tap-rooted winter annual. This ill smelling plant flowers early in spring. A weed of waste places and often found in small grains as well as new turf seedings. A closely related plant, Anthemis arvensis is called mayweed because it blooms in early May. It is not ill smelling.
![Photo of Dog Fennel](images/large/dogfennel-full.jpg)
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension