After fertilization, the flower head folds up and has a “birds nest” appearance. The flower heads face upward during the day and bend down at night. The flower, called an umbel, is a flat-topped cluster of small, white flowers, 2-5 inches across. The second year, plants send up a tall flower stalk and more leaves. When winter comes, these first year leaves will die back, but the strong taproot overwinters. Some plants will flower and set seed during the first year of growth, but most will overwinter without flowering. The foliage is very similar to garden carrots and will smell similar when crushed. It germinates and emerges in spring, developing a rosette of delicate, deeply lobed, feathery or fernlike leaves. Wild carrot ( Daucus carota), also known as Queen Anne’s lace, is a biennial plant in the parsley family. Fortunately, Michigan State University Extension and other organizations have developed good methods of dealing with the problem. It can also become problematic in perennial forages and no-till cropping systems throughout the state. This weed is not restricted to perennial forages in far northern Michigan counties. Farmers in Michigan’s eastern and western Upper Peninsula have simultaneously noticed a growing problem with wild carrot in hay fields and pastures.
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