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Common Ragweed
Ambrosia artemisiifolia L.
Composite (Compositae)
Ragweed is an annual plant reaching 1-4 feet in height. Plant stems are rough, hairy, erect and branched. Leaves are smooth and cut into several lobes (similar to a fern). Male flowers are small inverted clusters at branch terminals. Female flowers are borne at the base of leaves. Flowering occurs during the months of June-August.
Ragweed is common in a variety of well drained soils. It is found commonly in new plantings as well as in bare areas in established beds. It tends to occur more in sandier beds.