This is Angelica gigas, Purple Angelica, Korean Angelica, Dang Gui, Giant Angelica, Purple Parsnip.This is a biennial plant. It could also be considered a short lived perennial. This biennial herb can get about 6 feet tall and likes to live in the sun or partial shade. It is one of the very best plants to have for the bees, wasps, and other pollinators. This plant blooms from late Summer until early Fall and is very popular with the birds, bees, and butterflies. As an added bunus this plant is wonderfully fragrant when it is in full bloom. It will survive the winter in USDA Hardiness Zones 4 to 9.