Corydalis sempervirens 'Alba'
[Capnoides sempervirens var. alba] Pale Corydalis or Rock Harlequin (ko-RI-dal-is)
A North American native species, biennial or annual plants growing from 8 to 30 inches tall (This selection comes in around 2.5 feet). Flowers white and yellow-tipped, with a single spur. Leaves blue green, multi-lobed. An interesting plant that will self seed around and form little packets of attractive spring foliage and dangling white flowers in late spring threw mid summer. Plants grow in the wild after a fire.
Native to open wood lands from Alaska to Newfoundland, Pacific northwest, Northern Rockies and east to the Atlantic Coast down to Georgia.
Sow at 70ºF, germination is in one to three weeks. Cover with glass or plastic. If seeds have not germinated well after four weeks-move to the refrigerator for three weeks then back F 70. Sow in suite for flowers in five or six weeks. Grows in most soils that are not wet, full sun to half day shade, does well in rock walls and in crevices of large rocks.