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Perennial

Centaurea Montana

Centaurea montana

Mountain CornflowerPerennial CornflowerMountain BluetBachelor's ButtonMontane Knapweed

Centaurea montana is a striking perennial cornflower native to European mountain meadows. Its bold, fringed blue blooms with reddish-purple centers symbolize delicacy, happiness, and good luck, and it is a magnet for bees and butterflies.

Plant Family

Asteraceae (Daisy family)

Blooming

Late spring to early summer (May to June); may rebloom in late summer to fall if deadheaded

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Centaurea montana flowers with fringed blue ray florets and reddish-purple centers in a sunny garden border
Centaurea montana flowers with fringed blue ray florets and reddish-purple centers in a sunny garden border

Symbolism & Meanings

Key Meanings

Delicacy
Happiness
Good luck
Celibacy
Anticipation
Blessing

Perfect For

Summer garden gatheringsWildflower bouquetsGifts for new beginnings

Color Meanings

Blue:Happiness and spiritual grace
Purple:Admiration and dignity
Pink:Gentle affection
White:Purity and simplicity

Similar flowers: cornflowers and torenia fournieris also share similar meanings.

Cultural Significance

Mountain cornflower belongs to the genus Centaurea, whose name is rooted in the myth of Chiron the centaur, said to have healed his own wounds with these plants. Cornflowers as a group have deep cultural resonance across Europe. The perennial species shares symbolism with its annual cousin Centaurea cyanus, representing happiness and good fortune. In Victorian floriography, cornflowers conveyed delicacy and the idea of a single blessed love. The bold blue of mountain cornflower has made it a beloved garden symbol of natural beauty and resilience.
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Botanical Information

Physical Characteristics

Flower Size: About 2 inches (5 cm) wide; solitary flower heads with fringed ray florets
Plant Size: 12-24 inches tall (30-60 cm), spreading 12-18 inches (30-45 cm) wide
Flower Shape: Thistle-like; fringed, deeply divided outer ray florets surrounding a denser reddish-blue or purple center disc

Natural Habitat

Native to: Europe (mountains of central and southern Europe)
Habitat: Mountain meadows, open woodland margins, and sub-alpine zones in Europe; naturalized in gardens worldwide
Climate: Temperate, Cool and humid, Alpine-influenced

Growing Guide

Sunlight

Full sun; tolerates light shade but flowers best in a sunny position

Water

Drought tolerant once established; prefers moderate moisture but does not need regular watering in average garden conditions

Soil

Well-drained, Average to dry, Tolerates poor soils, Neutral to slightly alkaline

Expert Growing Tips

1

Deadhead regularly after first bloom to encourage a second flush of flowers in late summer

2

Divide clumps every 2-3 years in spring or autumn to prevent overcrowding and maintain vigor

3

Cut back foliage after flowering to promote fresh growth and prevent excessive self-seeding

4

Plant in full sun and well-drained soil; soggy conditions can cause crown rot

5

Be aware that it spreads via stolons and can form wide colonies in ideal conditions

Uses & Benefits

Ornamental Uses

  • Cottage garden and border planting
  • Pollinator and wildlife gardens
  • Cutting gardens for long-lasting arrangements
  • Naturalized meadow and groundcover plantings
  • Edging along walkways and paths

Traditional Uses

  • Traditionally used in European herbal medicine as an eyewash and mild bitter tonic for digestive complaints
  • The genus Centaurea is named for the centaur Chiron, who was said to have discovered the medicinal properties of these plants; historical use includes wound healing and anti-inflammatory applications

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

Frequently Asked Questions about the Centaurea Montana

Is Centaurea montana invasive?

It can become invasive in some regions, particularly in parts of western North America such as British Columbia. It spreads by stolons and self-seeds freely. Regular deadheading and dividing every few years helps keep it in check in the garden.

How do I get Centaurea montana to rebloom?

Deadhead spent flower heads promptly after the first main flush in late spring. This removes the seed source and encourages the plant to produce a second wave of blooms in late summer or early autumn.

What does the mountain cornflower symbolize?

Mountain cornflower symbolizes happiness, delicacy, and good luck. In Victorian flower language, cornflowers broadly conveyed the idea of a single, blessed love and the gentle spirit of natural beauty.

Does Centaurea montana attract pollinators?

Yes, it is excellent for pollinators. Bees, butterflies, and hoverflies are strongly attracted to its nectar-rich, fringed flower heads.

Available Colors

Blue
Violet-Blue
Purple
Pink
White

Quick Facts

Type:perennial
Family:Asteraceae (Daisy family)
Native to:Europe (mountains of central and southern Europe)
Blooms:Late spring to early summer (May to June); may rebloom in late summer to fall if deadheaded

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