How to Care for Centaurea cyanus (Cornflower)

Korean name: 수레국화

Cornflower is an annual flowering plant known for its vivid blue flowers. The leaves are slender and pointed, and the plant typically grows 30 to 90 cm tall. It thrives in full sunlight and is relatively easy to care for.

Key facts

• Category: Flowering plant
• Difficulty: Easy
• Where to keep: outdoors
• Native to: Europe
• Growth rate: Fast
• Pets: Mildly toxic, so keep pets from chewing on it.
• Flower meaning: happy love, hope
• Traits: beginner-friendly, blue flowers, annual
• Also known as: Cornflower, Bachelor's Button

Care Guide

• Light: Needs plenty of direct sunlight.
• Watering: Water thoroughly when the soil dries out.
• Soil: Use well-draining soil.
• Humidity: Maintain moderate humidity levels.
• Temperature: 15~25°C
• Fertilizer: Apply a diluted liquid fertilizer once a week during the growing season.

Common questions

How often should you water Centaurea cyanus?

Water thoroughly when the soil dries out. Roughly every 7 days is the baseline; adjust for the season and the spot it sits in.

Where should you keep Centaurea cyanus?

It likes Needs plenty of direct sunlight.. You can grow it outdoors. Use Use well-draining soil..

Is Centaurea cyanus safe around pets?

Mildly toxic, so keep pets from chewing on it.

Is Centaurea cyanus good for beginners?

Difficulty: Easy. It is forgiving enough for a first plant. Keep it around 15~25°C. Humidity: Maintain moderate humidity levels.. Fertilise Apply a diluted liquid fertilizer once a week during the growing season..