Centaurea Montana
Common name: mountain cornflower, bachelor's buttons, mountaine knapweed
Family: Asteraceae
Leaf: Alternate, stalkless, decurrent, ascending oblique. Blade lanceolate, with entire margins, woolly underneath.
Flower: Flowers form 2–3.2" wide, single flower-like capitula surrounded by involucral bracts. Capitulum ray-florets neuter, dark blue (sometimes light red or white), obliquely funnel-shaped, lobed tip; disk florets purple, tubular. Flowering May-June.
Habit: rhizomatous herbaceous perennial; Form: mounding
Height: 12-32"
Culture: Plant in organic, consistently moist, well-drained soils in full sun.Tolerates light shade. Can do fine underneath a deciduous tree (in regions where it is evergreen), as it benefits from the sun in the winter months, and prepares to flower while winter deciduous plants are bare. Hardy in USDA zones 3-8. Tolerates some drought, but not waterlogged conditions. Also tolerates sandier soils and even heavier clay soils.
Uses: perennial planting under deciduous tree, perennial gardens.
Origin: Southern mountain ranges of Europe
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