Also known as Snakeroot, Black Negligee has lacy black foliage on dark stems with fragrant white flowers. This dramatic, tall perennial does not require staking. Make a statement in part shade to full shade perennial gardens. Pair with variegated Hosta, white flowering Astilbe or Heuchera to accent the dark foliage. H 4-5' x W 2-3'. Zone 4-9 hardiness.