The flower form resembles an eagle’s claw, hence the probable origin of this name from aquila the Latin for eagle (Ranunculaceae). Columbine. Hardy herbaceous perennials for the herbaceous border and rock garden. The flowers and leaves are very dainty. Unfortunately, they are inclined to be short lived in heavy wet soils, but they are easily increased by seed. The flowers appear in May and June in a wide range of colors from yellows and creams to blues and reds and purples. The garden hybrids have been raised from various species, e.g. the long-spurred hybrids from Aquilegia longissima. ‘Mrs. Scott Elliott’s’ is a well-known strain, and more recently, there are the McKana Giant hybrids, with larger flowers and long spurs.
The requirements are sun or partial shade and a loamy soil enriched with leaf mold and not too heavy or dry. Dwarf species, grown on the rock garden, need well-drained soil and full sun. Plants do well on chalky soils. Seed is sown in May or June in the open, in August in a frame or the plants may be divided in spring or autumn.Read more on backyardgardener.com