This perennial Centaurea is commonly called Mountain Bluet or Mountain Cornflower, and it is rugged and hardy, growing in most soil types and climates.
The vigorous clump-forming plant has silvery-green foliage and stems that are slightly hairy. The blooms are large, solitary, and fringed and are excellent for cutting.
The plant does best in moisture-retentive soils. Care includes removing spent flowers after blooming. The cornflower plants can be trimmed back hard after blooming. Mountain Centaurea is known for self-sowing, so deadheading is needed if spreading is not desired.
Season: Perennial USDA Zones: 3 - 8 Height: 12 - 24 inches Bloom Season: Late spring to mid-summer Bloom Color: Blue Environment: Full sun Soil Type: Clay, sandy, normal loam Deer Resistant: Yes House Plant: No Latin Name: Centaurea Montana
Temperature: 68F Average Germ Time: 14 - 28 days Light Required: Yes Depth: 1/4 inch Sowing Rate: 10 seeds per plant Moisture: Keep seeds moist until germination Plant Spacing: 12 inches