Photo by Gary Kurtz
Wild Senna is a Wisconsin native perennial is in bloom at this time. It grows up to 6 feet tall and three feet wide. The flowers are showy and yellow, forming in axillary racemes, with each flower about 3/4 inch across. The leaves are compound and pinnate, with four to eight pairs of ovate to elliptical leaflets on each leaf. It is found in woodland edges, open fields, and thickets, and in moist areas such as riverbanks and moist prairies. It prefers full sun to partial shade and can tolerate a wide range of soil types, including sandy and rocky soils. (July)