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Annual

Centaurea Cyanus

Centaurea cyanus

CornflowerBachelor's ButtonBluebottleBluetHurt Sickle

Centaurea cyanus, the classic cornflower, is a beloved annual wildflower native to Europe. Its vivid blue blooms carry deep cultural and national significance across many countries and symbolize hope, love, and good fortune.

Plant Family

Asteraceae (Daisy family)

Blooming

Late spring through summer (May to September); longer with successive sowings

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Centaurea cyanus cornflowers with fringed blooms growing in a sunny wildflower meadow
Centaurea cyanus cornflowers with fringed blooms growing in a sunny wildflower meadow

Symbolism & Meanings

Key Meanings

Hope
Love
Good fortune
Faithfulness
National pride
Remembrance

Perfect For

Remembrance and memorial occasionsSummer celebrationsWeddings and love tokensNational commemorations

Color Meanings

Blue:Hope, love, and faithfulness
Pink:Gentle affection
White:Purity and new beginnings
Purple:Admiration and dignity

Similar flowers: statices and helichrysum bracteatums also share similar meanings.

Cultural Significance

Few flowers carry as much national and historical weight as the cornflower. It was a national symbol of Germany, linked to Queen Louise of Prussia who reportedly hid her children in a cornflower field while fleeing Napoleon's forces, weaving wreaths to keep them calm. The blue cornflower (bleuet) is France's symbol of remembrance for World War I veterans, equivalent to the British poppy. It is also the national flower of Estonia. In Victorian floriography, cornflowers symbolized delicacy and a single devoted love. In folklore, a young man in love would wear one and if it faded quickly, it meant his love was unreturned.
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Botanical Information

Physical Characteristics

Flower Size: About 1.5-3 cm (0.6-1.2 inches) in diameter; slender, fringed flower heads
Plant Size: 8-39 inches tall (20-100 cm) depending on variety; branching grey-green stems
Flower Shape: Thistle-like; outer spreading ray florets surrounding a cluster of inner disc florets; overall open and frilly

Natural Habitat

Native to: Europe (temperate regions; widely naturalized in North America, Australia, and beyond)
Habitat: Cornfields, roadsides, disturbed land, and meadows; historically a weed of arable farmland
Climate: Temperate, Cool season annual

Growing Guide

Sunlight

Full sun; thrives in open, sunny positions

Water

Low to moderate; drought tolerant once established; does not tolerate waterlogged soil

Soil

Well-drained, Poor to average fertility, Tolerates most soil types, Neutral to slightly alkaline

Expert Growing Tips

1

Sow seeds directly outdoors in early spring or autumn; cornflowers prefer to be direct-sown and do not transplant well

2

Make successive sowings every 3-4 weeks from spring to early summer for continuous bloom

3

Deadhead regularly to prolong the flowering season and prevent excessive self-seeding

4

Thrives in poor soil; overly rich soil encourages leafy growth at the expense of flowers

5

Dried flower heads can be collected and the petals used as natural food colorings or tea ingredients

Uses & Benefits

Ornamental Uses

  • Annual wildflower meadow and prairie plantings
  • Cottage garden and border fillers
  • Cutting gardens for fresh and dried arrangements
  • Edible flower garnishes for salads and beverages
  • Pollinator patches and wildlife-friendly plantings

Traditional Uses

  • Cornflower petals contain flavonoids and anthocyanins; traditionally used as a mild anti-inflammatory eyewash and in herbal teas for digestive and urinary complaints
  • Dried petals are included in herbal tea blends and sometimes in Lady Grey tea for their color and mild floral flavor

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Centaurea Cyanus

What does the cornflower symbolize?

Cornflowers symbolize hope, love, faithfulness, and good fortune. They also carry strong national symbolism across Europe, representing remembrance in France and patriotism in Germany, and are the national flower of Estonia.

Are cornflowers edible?

Yes, cornflower petals are edible and safe for most people. They are used as colorful garnishes in salads, cocktails, and desserts, and as an ingredient in herbal teas. Their flavor is mildly floral and slightly bitter.

Do cornflowers come back every year?

Centaurea cyanus is an annual, so individual plants do not return. However, they self-seed prolifically and often naturalize, making it seem like a perennial colony in the garden if seeds are allowed to ripen and fall.

How do I grow cornflowers from seed?

Sow seeds directly into well-drained soil in a sunny spot in early spring or autumn. Cornflowers dislike transplanting, so direct sowing is best. Successive sowings every few weeks through spring will extend the bloom season.

Are cornflowers safe for bees and butterflies?

Yes, cornflowers are an excellent nectar source for bees, butterflies, and hoverflies. They are widely planted in pollinator gardens and wildflower meadows specifically to support beneficial insects.

Available Colors

Blue
Pink
White
Purple
Red
Bicolor

Quick Facts

Type:annual
Family:Asteraceae (Daisy family)
Native to:Europe (temperate regions; widely naturalized in North America, Australia, and beyond)
Blooms:Late spring through summer (May to September); longer with successive sowings

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