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botanical name:
Centaurea montana
Centaurea montana © Deeproot Plant Base
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common name:  Cornflower, Mountain Knapweed, Mountain Bluet
family:  Asteraceae
characteristics: perennial
height: 0.45m
width: 0.60m
growth rate: fast
growth habit:
leaf colour: green
flower colour: blue
main season: Summer
aspect: full sun, part shade
conditions: moist soil
preferred soil pH: neutral-alkaline
minimum temp: -35°C
USDA zone: 4 to 8
Rhizomatous, mat forming perennial. The mid-green leaves may be slightly toothed and are woolly underneath. Woolly stems bear attractive buds opening to purplish-blue flowerheads, from late spring to midsummer.

Well drained soil in full sun or part shade.

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