Columbine, Wild (Aquilegia canadensis)

Perennial
Red and yellow nodding flowers in April and May. Source of nectar for butterflies and hummingbirds. Found naturally on rocky ledges and wooded rocky slopes.
To grow: Grow in well-drained soil in dappled shade. Cut back brown leaves after flowering to promote fresh foliage that will be attractive all season. Will spread from seed. Grows to 60cm tall.