CORYDALIS LUTEA koe-RID-a-lis Zones 4-8 (Golden Bleeding-heart)
COLU - Also named Pseudofumaria (Whew!)lutea. Clusters of yellow tubular flowers reminiscent of honeysuckle bloom all over neat 15" cushions of blue-green lacy foliage. Commences bloom in early May and continues until hard frost unless temperatures go above 95 degrees. No deadheading required. A willing self-seeder. Spring only.