★★★★★
Prices start at : 15.95 USD / 1 Gal
Best grown in organically rich, humusy, well-drained soils. 1991 Perennial Plant of the Year. Tiny, pinkish white, bell-shaped flowers in open, airy panicles are borne on slender, wiry, dark red stems extending well above the mound of leaves, typically...