Delightful wildflowers native to eastern and central North America. Grown for their hand- some foliage and bell-shaped yellow blooms. Easy to grow in shady places with rich, moist, acid soil. Plants grow about 1 ft. wide and spread by rhizomes to form colonies; propagate by division. Good companions to hostas and ferns.
U. grandiflora. BIG MERRYBELLS. To 212 ft. tall. Upright, leafy stems, somewhat reminiscent of Solomon's seal (Polygonatum), hold downward-pointing, medium green, narrowly oval and pointed leaves to 5 in. long. In spring, bright yellow, 2-in.-long, narrowly bell-shaped flowers with twisted petals hang from upper leaf axils.
U. perfoliata. WOOD MERRYBELLS. To 2 ft. tall, with narrow, oval, pointed blue-green leaves to 4 in. long. Leaf bases encircle the stems. Pale yellow bells are 112 in. long.
U. sessilifolia. LITTLE MERRYBELLS. Dainty, charming plant to 112 ft. tall. Wiry stems carry stalkless, lance-shaped leaves to 3 in. long. Nodding yellow flowers to 112 in. long appear at stem ends in spring. 'Cobblewood Gold' has gold-edged green leaves; 'Variegata' has foliage edged in white.