Centaurea Montana
KNAPWEED 'Mountain Bluet Cornflower'
Family: Asteraceae 
Type: perennial
Bloom Season: early-mid summer and will repeat in early autumn, if trimmed back right after summer 
Flower color: blue
Height & Spread: 18 - 24 inches tall; 18 inches wide
Site & Soil: full sun; well drained soil
Hardiness: zones 3 - 9
Origin: from the mountains of Europe
 

Centaurea Montana Masked Image found on Vol. 2 CD