officinalis

Valeriana officinalis, white/pink, 48"+, May-June. A tall perennial herb with sweet smelling flowers; however, it's often grown for its pungent roots, which have along history of use as a mild sedative. Full sun and more moist than not. When ready to harvest, dig up the whole plant and clean dirt off roots, then place in a warm area to dry. The roots are often used in tea. Frequently used as a calming herb, especially for insomnia, valerian's positive effects for promoting sleep are supported by a number of studies. Hardy to zone3. Dies back to the ground in winter.