Himalayan knotweed 'Alba' 2L

Himalayan knotweed 'Alba' – Delicate Elegance in Bielach

Himalayan knotweed 'Alba' (Persicaria amplexicaulis 'Alba') is an extremely subtle and decorative perennial, which is distinguished by slender, white inflorescences, bringing lightness and elegance to the garden. It is a variety with a long flowering period and a dense habit that blends perfectly with other plants in naturalistic and classic arrangements. Thanks to its reliability and low requirements, it is a favorite of gardeners.

Main characteristics of Himalayan knotweed 'Alba'

Flowers

• Colour: Pure white, delicate and elegant.
• Shape: Slender, cylindrical inflorescences, 10–12 cm long, rising above the dense leaves.
• Flowering: From June to October, guaranteeing long-lasting decorativeness.

List

• Colour: Juicy green, wide and lanceolate.
• Decorativeness: The dense leaves form a compact, lush clump, providing an attractive background for white flowers.

Cut

• Form: Erect, tufted, with numerous flower stems rising above the leaves.
• Height: It reaches about 80–100 cm, with a clump width of up to 60–80 cm.

Cultivation requirements of knotweed 'Alba'

Location and soil

• Position: It grows best in sunny or semi-shaded places. The sun is conducive to intensive flowering, while in partial shade it keeps the leaves fresh.
• Soil: Fertile, well-drained, constantly moderately moist. It also grows well in average garden soils, provided that it is watered regularly.

Watering and fertilizing

• Watering: Regular, especially during drought, to provide the plant with adequate moisture.
• Fertilization: In spring, it is a good idea to use a compound or organic fertilizer to support lush growth and flowering.

Care

• Trimming: After flowering, you can remove wilted inflorescences to preserve the aesthetics of the plant and stimulate further flowering.
• Wintering: The plant is fully frost hardy (zone 5–8) and does not require additional protection for the winter.

Application of Himalayan knotweed 'Alba'

Flower beds and garden compositions

• Perennial beds: It goes perfectly with plants with contrasting colors, such as coneflowers, rudbeckias, sages or asters.
• Naturalistic plantings: Ideal for prairie, woodland or English-style gardens.

Borders and edges of flower beds

• It is suitable for planting the edges of beds and paths, introducing delicacy and harmony.

Planting groups

• In larger groups, it creates striking white spots that illuminate the garden space.

Pots and terraces

• It can be grown in large pots, decorating terraces and balconies, where its white flowers provide a subtle touch.

Why choose Himalayan knotweed 'Alba'?

• Long flowering: Decorativeness from early summer to autumn makes it one of the most reliable perennials.
• Subtle appearance: White inflorescences bring lightness and elegance to any arrangement.
• Easy care: An undemanding plant, resistant to diseases and easy to grow.
• Versatility: It suits many garden styles, from modern to naturalistic.

Plant Specifications

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