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Centaurea benedicta

Family: asteraceae
Common name(s): Blessed Thistle, Holy Thistle, Holy Ghost Herb, Cardo Santo
Synonym(s): Cnicus benedictus
Hardiness ratings: USDA zone 5b - 9

General resources

• Wikipedia. Online encyclopedia entry (if defined).
• Google images. Web search for photographs.
• The Plant List. Taxonomical lookup
• Catalogue of Life. Taxonomical lookup

Links for Centaurea benedicta

• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 5b-9a)
• Garden.org - Community-assembled plant profile (1 photo)
• Ontario Rock Garden Society - Germination information