Corydalis flexuosa 39purple leaf39 makes an often admired unusual garden plant these corydalis may look delicate but they39re pretty tough and enjoy our cool english summers flowering can often last from late spring until mid45summer effortlessly forming clumps in borders rockeries and shady corners the foliage is fern45like and purple tinged with red its flowers are bright blue and tubular height 15cm 4063441 spread 50cm 40193441