Cornflower (Centaurea cyanus) - Hardy Annual
The Cornflower is the national flower of Germany and Estonia. In France, it is a symbol of Armistice Day playing a similar role to the Poppy in the UK.
Common name: Batchelor's Button, Bluebottle
When to sow: Early Autumn (Sep) or Early-late Spring (Mar-Apr)
When to plant out: From early Spring
Flowering time: Late Spring (if Autumn sown) - Early Summer
Pinch out?: Yes, when 15 cm / 6" tall
Conditions: Full Sun, Poor soil
Height: 60-90 cm / 24-36"
When to pick: When colour first starts to show on bud
Recommended varieties: Black Ball, Blue Boy
Flower meaning: Wealth, prosperity, fortune, friendship
Vase life: 5 days
Conditioning: Not needed
Good for: Adding a naturalistic meadow feeling to a vase, wedding button holes and drying