Corydalis curviflora var. rosthornii Blue Heron

Dan Hinkley selection from Sichuan, China with pretty, ferny blue-green foliage and the largest, darkest, rich sapphire blue flowers of the genus! Flowers are lightlyfragrant on red stems and dazzle all spring and summer. Clumping 8- 9 tall and eventually 12 wide. Rich, well-drained soil, AM sun to bright shade and even moisture (goes summer dormant if dry).