Corydalis sempervirens open ground Trimming back after flowering has

Trimming back after flowering has finished helps encourage another flush of flowers

Don't overcrowd too much

they will need a spurt of spring growth to colonise

Sun and a fertile soil

Corydalis sempervirens open ground Trimming back after flowering hasCan be big, can be small. Depends where it lands up. Let it seed. Rock Harlequin. Charming biennial with pink flowers tipped with yellow. Pink stems. 30 90cm tall. Full sun and or part shade, dry, acidic, gravelly and poor all good. So woodlands, in the sun At present I am growing it with its roots just touching water, and in drier growund. So it seems very adaptable and a great filler, flowering from spring in a flush and then sporadically until