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Centaurea montana / Perennial Cornflower / Seeds

(Code: ES_093)
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Centaurea montana / Perennial Cornflower / Seeds

Perennial Cornflowers are great garden plants.  They have bright blue flowers on strong wiry stems from May/June to July.  Growing to about 50cm in height, these look great in a border, grown together in groups or drifts in a cottage or wildflower garden.  These are good cut flowers and attractive to pollinators. 


Centaurea likes full sun and moist well drained soil.  Regular feeding and water will increase flowering.
  

Pack of 30 seeds.  Sow the seeds indoors in early spring for first year flowers, or sow on into summer for next year flowers.  Sowing instructions and a colour photo are printed on the packet. 


See how your seeds are packed.

Hardiness Hardy deciduous perennial (RHS Hardiness H7)
Flowers May/June to July
Height 40 - 50cm
Spread 30 - 60cm
Conditions  Grow in full to part sun and moist well drained soil
Sow

Sow the seeds indoors in early spring for first year flowers.  Continue sowing into summer for next year flowers.   Sow the seeds into a tray of compost, cover lightly with compost and keep at 15-20C.  Germination takes 2-4 weeks.  Protect summer-sown seedlings in a cold frame or greenhouse over winter and plant out in the spring. 

Grow  Water regularly until young plants are established. Plants may need staking in more exposed gardens. Deadhead plants to prolong flowering.  Plants die down in winter and start growing again in spring.  Mature plants can be divided in spring or autumn.