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Perennial Cornflower

Centaurea montana

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.

Plant Data

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Asterales
Family:
Asteraceae (Daisy)
Type:
Flower
Maximum Size:
80 centimetres tall
Habitats:
Gardens, meadows, parkland, riversides, roadsides, wasteland, woodland.

Flower:
֍
Blue, many petals
 
A showy perennial flower with spidery, thistle-like flowerheads, 8cm in diameter. 5 stamens. Cornflower (Centaurea cyanus) is similar-looking but it flowers later in the year and has smaller flowers with more 3-dimensional rays. Insect-pollinated.
Fruit:
Flat with short bristles at the end. The seeds mature from August to October.
Leaves:
A clump-forming flower. The leaves are alternate, stalkless, untoothed and woolly beneath. A common garden escape. Cornflower (Centaurea cyanus) has smaller and narrower leaves than Perennial Cornflower.
Other Names:
Bachelor's Button, Blue Bottle, Great Blue-bottle, Montane Knapweed, Mountain Bluet, Mountain Centaury, Mountain Cornflower.
Frequency (UK):
Common  
Similar Species:
Distribution Map

Reproduced by kind permission of the BSBI.

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