Columbine (Aquilegia canadensis 'Corbett') ak-will-EE-zsah kan-ah-DEN-sis Genus:  Aquilegia

This airy perennial has delicate dark-green leaves and many nodding, light-yellow flowers from mid-spring to midsummer. 

Noteworthy Characteristics: 

Not as robust as the species and won't reseed as heavily. U.S. native.

Care: 

Grow in full sun to part shade and moist but well-drained soil. It is tolerant of most soils, but prefers rich, moist ones and part shade.

Propagation: 

Sow seed in a cold frame in spring. Can divide cultivars in spring but plants respond slowly to root disturbance.

Problems: 

Powdery mildew, rust, fungal leaf spots. Aphids, leaf miners, and caterpillars.

Overview

Height 1 ft. to 3 ft. Spread 6 in. to 12 in. Growth Habit Clumps Light Part Shade Only Moisture Dry to Medium Maintenance Low Characteristics Native, Showy Flowers Bloom Time Spring, Summer Flower Color Yellow Uses Beds and Borders Style Rock Garden, Woodland Garden Seasonal Interest Spring Interest