Zizia aurea (golden alexander) is a native Ontario perennial with flat-topped clusters (umbels) of tiny yellow flowers in late spring atop the 3 foot stems. Butterflies love it. It is a host plant for the black swallowtail butterfly. Important source of pollen for bees. (Photo courtesy of North Creek Nurseries)
2 gallon container
Light: Full Shade to Part Shade
Soil: Any plant grows better when the soil is amended with worm castings or compost.