Cornflower 'White Ball'

Centaurea cyanu 'White Ball'

Cornflower 'White' (Centaurea cyanus 'White') is an ornamental plant that produces white flowers.

Growth Characteristics
- Ecological Characteristics: As an annual or biennial herb, it primarily blooms from spring to early summer and thrives in sunny locations with well-drained soil.
- Height: Mature plants typically grow to a height of 30–60 cm.
- Flowers: It produces pure white flowers rather than blue ones, giving a neat and elegant appearance.

Propagation Methods
- Seed Propagation: It is mainly propagated by seeds. Seeds can be sown directly in the spring (March to May) or germinated indoors before transplanting.
- Sowing: When planting seeds, use potting soil, sow them 1–2 cm deep, and water thoroughly.

Cultivation Methods
- Environment: It grows well in locations with ample sunlight and good ventilation. It is best to avoid soil that is too wet. - Watering: It is best to water when the soil is dry rather than watering too frequently. Overwatering can cause root rot.
- Fertilizer: It is recommended to apply a small amount of slow-release fertilizer in the spring to promote growth.

Uses in the Garden
- Ornamental: The neat white flowers are well-suited for various settings, such as gardens, flowerbed borders, and pots.
- Placement: Arranging them in harmony with flowers of varying heights can create a natural atmosphere.

Important Pests and Diseases & Control Methods
- Pests and Diseases: Major diseases include fungal diseases and powdery mildew, while pests include aphids.
- Control Methods:
- Fungal Diseases: Control humidity and ensure good ventilation; use appropriate pesticides if necessary.
- Powdery Mildew: Remove diseased leaves at the early stages of infestation and spray fungicides if needed.
- Aphids: Can be controlled using soapy water or vegetable oil insecticides. If you cultivate the 'White Ball' cornflower with these characteristics in mind, you will be able to enjoy healthy and beautiful flowers for a long time.

Plant Type
Plant Family	Asteraceae
Height	30~90cm
Spread
Colors	Hayang
Bloom Period	June to September
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

Cornflower 'Pink Ball'
Centaurea cyanus 'Pink Ball'

Cornflower 'Red Ball'
Centaurea cyanus 'Red Ball'