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Centaurea montana · Asteraceae

Perennial Cornflower

✅ Pet-friendlyPerennial, remaining green and active throughout the year.30 to 60 cm
Full sunModerate watering; allow soil to dry between waterings.EasyTolerates prolonged negative temperatures.

Description & origin

The Perennial Cornflower is known for its vibrant blue flowers. It is ideal for gardens due to its hardiness and ease of cultivation. Its elongated green leaves complement the flowers, creating an attractive look.

Size

Remains compact, ideal for borders and flower beds.

Foliage

Evergreen foliage that remains green throughout the year.

Flowering

Blooms abundantly in spring and early summer.

Detailed care

Light

Prefers full sun for optimal growth.

Soil

Well-drained soil rich in organic matter.

Watering

Moderate watering, allowing the soil to dry slightly between waterings.

Temperature

Tolerates cold well, ideal for temperate climates.

Fertilising

Fertilize in spring with a balanced fertilizer.

Repotting

Transplant when necessary, preferably in spring.

Pruning

Remove spent flowers to encourage new blooms.

Propagation

Easily propagated by division in spring or autumn.

Common problems

Powdery Mildew

Can occur in high humidity conditions. Treat with appropriate fungicide.

Aphids

May attack leaves and flowers. Control with insecticidal soap.

Root Rot

Caused by waterlogged soil. Ensure good drainage.

Uses & curiosities

In the garden

  • Attracts pollinators
  • Ideal for borders
  • Cold resistant

Other uses

Excellent for low-maintenance gardens.

Did you know…

This plant is often visited by bees and butterflies, making it excellent for garden biodiversity.