Host plant to Black Swallowtail, Golden Alexandars (Zizia aurea) is a flowering herbaceous member of the carrot family.
This perennial prefers full sun to partial shade and medium-moist soil. Yellow flowers bloom in spring to fall with the plant that reaches 3 feet tall and has a 1-2 feet spread. After blooming, it can reseed. It is found in a board variety of habitats including openings in moist woodlands, savannas, thickets, limestone bluffs, power line clearings in woodland areas, abandoned field and wet meadows. It can tolerate dry summers even though it prefers wet habitats.