| | | Family | Compositae | | Plant Type | | | Zone | USDA: 3a - 8b RHS: H EGF: H1 - H4 Australia: 1 - 2 | | Care Level | | | Height | 60 cm (2 ft) | | Spread | 60 - 90 cm (2 - 3 ft) | | Light | full sun | | Soil Moisture | low to average, well-drained | | Soil Type | clay to sandy | | Soil pH | acidic to alkaline | | | Description | Centaurea montana 'Blue' (perennial bachelor's button) bears bright purple blossoms. The foliage is faded green in colour. | | Typical Uses | Border, cut flowers and mass planting. | | Special Characteristics | Butterflies are attracted to Centaurea montana 'Blue' . This plant has a natural ability to resist deer, and it is tolerant of drought. | | |