You are buying 5 Black Cohosh root/bulbs. Black Cohosh also called American Bugbane and sometimes Black Snakeroot. This wild perennial is more popular with gardeners all the time. Its tall, so best in the background with towers of white flowers that light up the woods. Black Cohosh likes wet woods, thickets and is native all the way from eastern Canada into Georgia. Mature plant size 48-72" tall and 24-48" wide. Deer and rabbit resistant. This fragrant perennial is hardy in zones 4-8 We are a licensed nursery in the state TENNESSEE cert.#2235. Planting instructions included with every order. Thank you for looking at our listing.