CENTAUREA CYANUS Blue Ball
  • CENTAUREA CYANUS Blue Ball
  • CENTAUREA CYANUS Blue Ball
  • CENTAUREA CYANUS Blue Ball
  • CENTAUREA CYANUS Blue Ball
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Cornflower

Centaurea cyanus
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Double, mixed colours flowers for cutting. Annual. 80cm tall. Easily grown. Attracts butterflies and bees. Border plant. Dry flowers. Medicinal.

Soak the seeds in cool water for 24 hours before sowing at temperatures of 18ºC night/20ºC day.

Life cycleAnnual
Flower colourBlue, White, Mixed, Pink
ExposureSun
Average germination80
HardinessNon hardy
Seeds per gram250
Soil moistureWell-drained

Use

Balcony & Courtyard, Cottage garden, Cut flower, Dried flower, Wild garden, Baskets & Containers, Medicinal, Landscaping

Calendar

Zone map
Sow outdoors February, March, April, May, October, November
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Flowering April, May, June, July, August, September, October
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Mapa de zonas

Flowering

Flower colourBlue, White, Mixed, Pink
Flowering periodApril, May, June, July, August, September, October, Spring, Summer, Autumn

Botanical information

Common nameCENTAUREA CYANUS - Cornflower
Life cycleAnnual
WildlifeBees, Butterflies

When to plant?

Sowing periodFebruary, April, May, October, November, Spring, Autumn, Winter
Germination (days)7-14
Average germination (%)80
Seeds per gram250

Where to plant?

Type of useBalcony & Courtyard, Cottage garden, Cut flower, Dried flower, Wild garden, Baskets & Containers, Medicinal, Landscaping
ExposureSun
Soil moistureWell-drained
HardinessNon hardy
Climate zoneTemperate areas

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