Delphinium 'Black Knight Group'

Delphinium elatum 'Black Knight Group'

Delphinium elatum 'Black Knight Group' is a Delphinium variety characterized by its tall stature and beautiful bluish-purple flowers. The following is information regarding this variety's growth characteristics, propagation methods, cultivation techniques, garden uses, and important pests and diseases and control methods.

Growth Characteristics
- Growth Habit: As a perennial herbaceous plant, the stems grow strong and upright.
- Flower Color: Deep bluish-purple, adding a sense of deep color to the garden.
- Flowering Period: Blooms mainly from early summer to mid-summer.
- Height: Typically grows to 1.5m to 2m, and may require partial support.

Propagation Methods
- Seeds: Propagation by seeds is common; it is recommended to sow in the autumn and allow the seeds to germinate the following spring.
- Division: It can be propagated by dividing mature roots between late winter and early spring. Cultivation Method
- Sunlight: Grows best in a sunny location with plenty of sunlight.
- Soil: Well-drained, fertile soil is suitable.
- Watering: Maintain moderate moisture, but avoid overwatering.
- Fertilizer: It is recommended to use a general-purpose fertilizer every two months during the growing season.

Garden Use
- Landscaping: Its height makes it excellent for creating a backdrop when planted behind other plants.
- Ornamentation: The flower colors are intense, so planting them in clusters creates a striking visual effect.

Important Pests and Control Methods
- Powdery Mildew: Can be prevented by planting in a sunny location with good air circulation; fungicides can be used for chemical control.
- Aphids: Remove them by washing with soapy water or instant soap when they appear.
- Snails and Slugs: They are nocturnal, so prevent them through physical methods (installing traps) or thorough garden maintenance. Please refer to this information to successfully cultivate and manage the Delphinium 'Black Knight Group'.

Plant Family	Ranunculaceae
Height	150~180cm
Spread	60~90cm
Colors	blue
Bloom Period	June~July
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Delphinium Bluebird Group
Delphinium Blue Bird Group

Delphinium Astolat Group
Delphinium Astolat Group