Larkspur 'King Arthur' 2L

Delphinium 'King Arthur' – A Royal Accent in the Garden

Delphinium 'King Arthur' is an impressive, tall perennial with intense purple, semi-double flowers with a white eye. This unique variety is distinguished by its majestic habit and long flowering period. It is an ideal choice for flower beds, English gardens and for growing as a cut flower. Its presence in the garden adds elegance and structure, attracting pollinating insects such as bees and butterflies.

Main features of larkspur 'King Arthur'

Flowers

• Colour: Intense purple with a contrasting white eye.
• Shape: Large, semi-double flowers, arranged in dense, slender panicles.
• Flowering period: June–July, with the possibility of reflowering in September after appropriate pruning.
• Decorativeness: Tall, colorful inflorescences decorate the beds and give them an architectural character.

Stem and leaves

• Stem: Strong, upright, growing up to 120–160 cm, resistant to breakage.
• List: Deeply lobed, green, decorative throughout the season.
• Odour: Delicate, slightly sweet.

Cut

• Form: A soaring, slender perennial plant forming compact clumps.
• Height: 120–160 cm.
• Width: It grows 60–80 cm.

Cultivation requirements of delphinium 'King Arthur'

Location and soil

• Position: Full sun – provides the best coloration of flowers and lush flowering.
• Soil: Fertile, humus, permeable, moderately moist, slightly alkaline to neutral pH.
• Humidity: The soil should be constantly slightly moist, but not waterlogged.

Watering and fertilizing

• Watering: Regular, especially during drought – the soil should not dry out.
• Fertilization: In spring and summer, use a compound fertilizer for flowering plants, you can also enrich the soil with compost.

Care

• Trimming: After the first flowering, it is worth cutting the shoots to a height of about 20 cm to stimulate the plant to bloom again in September.
• Supports: Tall shoots may require staking, especially in windy positions.
• Reproduction: By dividing the clumps in spring or by root cuttings in autumn.
• Wintering: Fully frost hardy (zone 3–7), but in harsher winters it is worth mulching the base of the plant.

Uses of Delphinium 'King Arthur'

Flower beds and garden compositions

• Mixed borders: Goes well with roses, peonies, lilies and ornamental grasses.
• Contrasting plantings: It looks great in the company of white and pastel plants.

Edging and paths

• It is suitable for planting along alleys and paths, where it creates striking, high accents.

English and naturalistic gardens

• It is a key element of romantic, classic English-style gardens.

Cut flowers

• Perfect for bouquets – the flowers stay fresh for a long time after cutting.

Plant Specifications

• Flower pot: 2 liters
• Age: 2 years old
  
• Frost resistance: Yes