Annual Coreopsis, Calliopsis
Easy-to-grow members of the sunflower family yielding a profusion of yellow, orange, maroon, or reddish flowers. Deadhead for longer bloom; use hedge shears to remove large numbers of spent blooms. Both annual and perennial kinds are easy to propagate—annuals from seed sown in place or in pots, perennials from seed or division. Plants tend to self-sow; seeds attract birds.
The species listed here are from the eastern and southern U.S. unless otherwise noted.
Native to much of North America, this dramatic coreopsis is slender, upright, 1 1/2–3 ft. tall, 1–1 1/2 ft. wide, with wiry stems; much like cosmos in growth habit. Smooth leaves and stems. Summer-to-fall flowers in yellow, orange, maroon, bronze, and reddish, banded with contrasting colors; purple-brown centers. Dwarf and double varieties are available. Sow seeds in place in dryish soil.
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