Deciduous perennial forms clumps of stiff, sword-shaped green foliage. Large, flattened, flowers are borne on 2 to 2-1/2 foot stems in summer. Hardy to -30* F. Sun to part shade. Rich, moist, acidic soil. Ideal for wet bog gardens and...
Dense clumps of narrow deep green leaves to about 12 inches long. Hardy to about 0 degrees Full sun to part shade. From mid-spring to early summer, each flower stem produces 1 to 2 blue, lavender-blue, yellow, cream or white...
