Plains coreopsis is a slender, tall annual known for its yellow blooms with maroon centers 1-2" across. It freely self seeds so deadhead to reduce spread. Attracts butterflies, bees, and birds and blooms from June-September. Seeds may be sown indoors 6-8 weeks before last spring frost date. Set plants out after last frost or plant seed directly after last frost. Also known as Golden tickseed or Calliopsis.
Coreopsis tinctoria, Plains Coreopsis
Height 2-4', spread 1-1.5', yellow bloom with maroon center. Germination: No pre-treatment.