Biedermeier Group hybrids grow 1 to 1.5 feet with rounded mounds of blue-green foliage and short erect flower stems bearing numerous blooms. The flowers are only slightly pendulous, and can be shades of white, purple, yellow, pink and blue.
'Blue Star' grows 2 feet tall with medium-green mounds of foliage and showy, pendulous blue blooms on erect, branching stems.
'Crimson Star' grows 2 feet tall with medium-green mounds of foliage and erect, branching flower stems bearing blooms with red sepals and creamy spurred petals.
'Dragonfly' hybrids grow 2 feet tall with medium-green leaves and large, long-spurred blooms in shades of white, pink, purple, yellow and blue.
'Hensol Harebell' grows 2 to 2.5 feet tall with deeply-cut, medium-green leaves which are tinted purple when juvenile. Bears pendulous blue blooms on erect stems.
'McKana' hybrids grow 2 to 2.5 tall with medium-green foliage and numerous long-spurred blooms in shades or red, yellow and blue. Blooms can be bicolor. Strong but short lived performers. All America bronze medal winner in the '50s.
'Mrs. Scott Elliot' hybrids grow 2.5 to 3 feet tall with medium-green leaves and nearly upright to pendulous blooms. Often bicolored, red and yellow or blue and white.
'Music' hybrids grow 1.5 to 2 tall with medium-green leaves and wide variety of flower colors.
'Silver Queen' grows 2.5 tall with medium-green leaves and numerous, pendulous pure white blooms.
'Snow Queen' grows 2.5 feet tall with gray-green or blue-green leaves and numerous, pendulous pure white blooms.
'Songbird' hybrids grow 2 feet tall with medium-green leaves and numerous, large bicolor blooms in shades of pink, white blue and red.