
Perennial cornflower or mountain bluet is native to the mountains of southern Europe. However, thanks to its propensity to “escape” from gardens and naturalize, it can now be found as a non-native species throughout much of the rest of Europe and parts of North America. The Colorado State University's Cooperative Extension has a tidy article on Centaurea, including the history behind the name.
Flickr BPotD Group Pool Pic of the Day: a relative of the plant in today's image, Centaurea cyanus from the creative eye of Angel's Lens@Flickr (be sure to check out her other plant images!).
Botany / culture resource link: Botanical and Cultural Images of Eastern Asia, 1907-1927, a newly released virtual exhibit from the Arnold Arboretum at Harvard. Suggested by Dr. Quentin Cronk, director of UBC Garden.





Centaurea montana - Z3 - RHS Index of Garden Plants, Griffiths
Centaurea montana - Z3-8 - A-Z Encyclopedia of Garden Plants, Brickell, Cole, Zuk
I have been trying to rid my rockery of this thug for 10 years. Its fleshy roots go deep. The plant regenerates from any root pieces left in the soil. Beware!