Cornflower 'Black Ball'

Centaurea cyanu 'Black Ball'

The Cornflower 'Black Ball' (Centaurea cyanus 'Black Ball') shares similar characteristics with the common Cornflower, but its flowers display a color ranging from deep purple to near-black.

Growth Characteristics- Growth Form: Annual or biennial herbaceous plant
- Height: Approximately 30–60 cm
- Flower Color: Deep purple or black
- Flowering Season: Usually between May and July

Propagation Method- Seeds: Propagates by seeds; can be sown directly in spring or in spots in autumn.
- Germination Conditions: The optimal germination temperature is 15–20 degrees Celsius, and seeds should be sown on a light soil surface.

Cultivation Method- Soil: Prefers well-drained soil.
- Sunlight: Grows well in sunny locations.
- Watering: Avoid overwatering; it is best to water after the soil has dried out. - Care: Regular pruning may be necessary for tall growth.

Garden Uses
- Landscape Enhancement: Dark-colored flowers can add a focal point to the garden.
- Naturalistic Gardens: Well-suited for natural gardens or wildflower styles.
- Nectar Plant: An effective nectar source that attracts bees and butterflies.

Important Pests and Control Methods
- Powdery Mildew: Improve air circulation and use fungicides if necessary.
- Aphids: Can be controlled using soapy water or oil sprays.
- Slugs: If damage is severe, lure traps or control agents can be used.

The Cornflower 'Black Ball' is an attractive plant that can add a unique atmosphere to the garden due to its special color. With proper care tailored to the growing space and conditions, you can enjoy its beautiful flowers.

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

Creeping Daisy
Chrysanthemum paludosum 'Pure White'

Cornflower 'Pink Ball'
Centaurea cyanus 'Pink Ball'