Perennial: Plants form a rosette of hairy leaves, bearing large (3-4") satiny flowers in a stunning shade of true blue. Needs evenly moist, rich soil & cool woodland conditions. Good accent, border, massed or woodland plant. Bloom time: late spring/early summer. Height: 24-36". Width: 18-24". Exposure: part shade/shade. Water: moderate/moist. Tolerant of cold winter conditions. USDA Z3-9