With tall purple stems arising from delicate fern-like, basal foliage, this lovely herbaceous plant makes an impressive presence at the back of a border, where in mid to late summer, it produces clouds of countless nodding white flowers. A rare native of North American woodlands, it does best in moist soil in part shade. Very few good seeds collected.,With tall purple stems arising from delicate fern-like, basal foliage, this lovely herbaceous plan