McKana Giants Aquilegia is a Rocky Mountain columbine, Aquilegia caerulea, with large flowers in white, crimson, purple and yellow, many two-colored.
Sow on the surface and press into soil. Sprouts in 14-30 days at 65-70ºF soil; cold treatment for 2-3 weeks aids germination. Start indoors 8-10 weeks before last frost, transplant 10-12 in. apart after frost, or direct sow in spring or fall. Perennial in zones 3-8, 24-36 in. tall, blooms in the second season. Plant outside after frost in full sun to part shade.
