Persicaria 'Superba'

Persicaria superba: Blush Spires of the Autumn Border

Soft yet striking, Persicaria superba adds graceful height and a long bloom season to the late summer and autumn garden. From broad, textural clumps of green foliage rise slender spikes of warm pink flowers, each one catching the light and swaying gently in the breeze. Flowering from midsummer well into fall, it creates a haze of colour that supports pollinators and brings movement to the garden without overwhelming its neighbours. Naturally clump-forming and well-behaved, it’s a quietly confident performer in layered plantings.

Plant Characteristics:

• Height: 80–100 cm
• Spread: 60–80 cm
• Flower Colour: Soft rose-pink
• Flowering Period: Midsummer to late fall
• Foliage: Broad, deep green leaves in a full, arching mound
• Sunlight Requirements: Full sun to part shade
• Soil Requirements: Moist, well-drained to average soil; adaptable to heavier soils

Uses and Benefits: Persicaria superba is a reliable and graceful choice for middle-of-border placements, mixed pollinator plantings, and meadow-inspired designs. Its soft spires contrast beautifully with bold blooms and vertical grasses, while its persistent flowering keeps borders lively late into the season. Deer resistant and long-lived, it thrives with minimal care and supports a wide array of beneficial insects.

Companion Plants: Pair with the golden, arching blooms of Solidago 'Fireworks', the elegant pink blossoms of Anemone 'September Charm', and the upright structure and blue-green foliage of Panicum 'Northwind' for a dynamic, late-season combination rich in texture, height, and pollinator activity.

Care Instructions: Plant in sun or light shade with moist, well-drained soil. Water regularly during dry spells. It requires little maintenance beyond cutting back spent stems in late fall or early spring. Divide clumps every few years to maintain vigour and shape.

History: A cultivated form of the Himalayan species Persicaria amplexicaulis, 'Superba' has earned its name through generous flowering and reliable garden performance. It’s a staple in modern perennial design for its adaptability, natural elegance, and extended bloom.

Final Thoughts: Graceful and grounded, Persicaria superba brings subtle colour and structure to the autumn garden—offering a season-spanning display that’s both quietly beautiful and ecologically rich.