Talk about flower power! These are our most showy & floriferous Corydalis yet, flowering from May to September with clusters of tubular blooms over blue green foliage. Canary Feather is a little more upright than some varieties & happy in containers or in borders, under trees or tall shrubs. Prefers moist well-drained soil in full or part shade. Height & spread 30cm (12"). Hardy perennial.