Zones: 3 to 9
Size: 12 to 18"
Growth Rate: Fast
Easy to grow from seed. Will self-seed and may need dividing after 3 growing seasons. Light purple flowers in summer. Rabbit and deer resistant. Also disliked by Japanese Beetles - plant near roses.
Published in Sp. Pl. 1: 301 in 1753.
Native to temperate Asia, Pakistan, Europe, Canada and the northern US.