New varieties include ‘Pink Surprise’ that sport light orange to apricot flowers delicately tinged with pink.
Check out the popular seed catalogs for taller cultivars with stronger stem that are grown for use as cut flowers.
C. officinalis is a vigorous, tough, upright plant; it bears single or double daisy-like flowers in a wide range of yellow and orange shades. This plant grows 12–24" tall, with a slightly lesser spread.
‘Bon Bon’ is a dwarf plant that grows 10–12" tall and comes in all colors.
‘Fiesta Gitana’ (‘Gypsy Festival’) is a dwarf plant with flowers in a wide range of colors.
‘Pacific Beauty’ is a larger plant, growing about 18" tall. It bears large flowers in varied colors.