Cornflower.

Auf einen Blick

Pflegestufe

Einfach

Pflanzenart

Annual

Licht

Full sun

Licht im Innenraum

Direkte Sonne

Gießen

Alle 3 bis 7 Tage

Endgröße

3 feet

Wachstum

Schnell

Winterhärte

USDA 2 bis 11

Blütezeit

Late spring to mid summer

Pflege

Sow seeds directly in the garden where they will get plenty of sun. Keep the soil moist until they sprout and watch for aphids during the growing season. Deadheading spent blooms will encourage the plant to keep producing flowers.

Gießen

Water regularly to keep the soil consistently moist but not waterlogged.

Düngen

Apply a balanced liquid fertilizer once a month during the active growing season.

Schneiden

Remove faded flowers frequently to promote continuous blooming.

Umtopfen

As annuals, these plants complete their life cycle in one season and do not require repotting.

Boden

Well draining loamy soil

Boden-pH

6.0 to 7.5

Temperatur

-15 bis 30°C

Luftfeuchtigkeit

40 bis 70%

Trockenheitstoleranz

Mittel

Lebensdauer

Annual, typically 1 year

Wildverbiss-Resistenz

Mittel

Sicherheit

Menschen

This plant is generally considered non-toxic to humans.

Kinder

The seeds are small and could pose a choking hazard if ingested by young children.

Kontaktallergene

Some individuals may experience mild skin irritation from handling the stems.

Allergene in der Luft

Pollen can trigger seasonal allergies in sensitive individuals.

Essbarkeit

While the petals are edible, ensure they are grown without pesticides before consuming.

So erkennst du die Pflanze

• Vibrant blue ray florets
• Lance shaped gray green leaves
• Slender branching stems
• Papery bracts around flower base

Höhe

0,3 bis 0,9m

Breite

0,2 bis 0,4m

Blätter

gray-green, deciduous

Blüten

blue, pink, white, purple, 3 bis 5cm

Häufige Probleme

• Rust — Fungal infection causing orange spots on the undersides of leaves.
• Aphids — Small insects that cluster on new growth and suck plant sap.

Standort und Pflege

Vermehrung

seed

Pflanzzeit

spring, autumn

Überwinterung

In mild climates, autumn sown seeds will overwinter as small rosettes. In colder areas, the plant will die back completely after the first hard frost.

Im Kübel

They grow well in pots at least 20 centimeters deep with well draining soil.

Plant these in blocks to provide a strong visual impact and better support for visiting pollinators.

Gute Pflanzpartner

• Field Poppy — They share similar growing requirements and create a classic meadow look.
• Garden cosmos — They bloom at the same time and provide a lovely contrast in form.

Ähnliche Arten

• Centaurea montana — It is a perennial relative with similar flower shapes.

Botanisches

Familie

Asteraceae

Gattung

Centaurea

Ordnung

Asterales

Klasse

Magnoliopsida

Ursprüngliche Heimat

Europe

Artenschutz

It is not of conservation concern and is widely naturalized.

It is an opportunistic annual that thrives in disturbed soils and sunny meadows.

Nutzen für Wildtiere

nectar source

Bestäuber

Bienen, Schmetterlinge

Verwendung

cut flowers, pollinator gardens, edible garnishes

Taxonomie abgeglichen mit GBIF.

Häufige Fragen

Do I need to deadhead them?

Yes, removing spent blooms encourages the plant to produce more flowers throughout the season.

Can I grow them in pots?

They thrive in containers as long as they have good drainage and plenty of sunlight.

Woher der Name kommt

The name Centaurea comes from the Greek myth of the centaur Chiron, who used the plant to heal a wound. Cyanus refers to the deep blue color of the petals.

Gut zu wissen

• The intense blue pigment is highly prized in the cosmetic industry.
• It was the favorite flower of John F. Kennedy.
• These flowers are a traditional symbol of the Estonian national identity.
• They are very easy to grow from seed directly in the garden.