Centaurea dealbata
Centaurea dealbata
Centaurea dealbata
Centaurea dealbata

Centaurea dealbata

Persian Cornflower

syn. Knapweed



80 - 100 cm

Flower colour

lilac pink

Flowering time

late August - September

Foliage colour

green with silver reverses




well drained, poor


acid - neutral - alkaline



Plant range


Centaurea is a large genus of around 350 - 600 species in the family Asteraceae. Species of this genus are native to the northern hemisphere, mainly centered in the Middle East. The flowers are composite flowers consisting of central disc flowers which are fertile, surrounded by steril ray flowers. 


Division in spring.

Seed sown in March.

Seed just covered and kept at 20°C (68°F) until germination. After germination it should be kept at a lower temperature with plenty of light so the plants won't become lanky.

A tall perennial that forms a wide clump of green, feathered leaves with silver reverses with lilac pink flowers. It needs good support or the entire clump will topple over. It needs plenty of sun and grows best in well drained, fairly poor soil. It is very drought tolerant and doesn't tolerate very wet soil.

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