| | | Family | Compositae | | Plant Type | | | Zone | USDA: 4a - 9b RHS: H - FH EGF: H1 - H5 Australia: 1 - 3 | | Care Level | low, easy, suitable for beginners. | | Height | 60 - 75 cm (2 - 2.5 ft) | | Spread | 45 - 60 cm (1.5 - 2 ft) | | Light | full sun | | Soil Moisture | low to moist, well-drained | | Soil Type | clay to sandy | | Soil pH | acidic to alkaline | | | Description | Centaurea nigra (cornflower) bears faded purple blooms during early summer to late summer. The foliage is deep green in colour. | | Typical Uses | Accent, border and cut flowers. | | Special Characteristics | Centaurea nigra is noted for being naturally resistant to deer and rabbits. | | |