Persicaria polymorpha - Himalayan knotweed
🌿 Characteristics
Type: Herbaceous perennial
Common name: Giant Fleeceflower
Scientific name: Persicaria polymorpha
Flower colour: Creamy white
Mature height: 120–150 cm
Mature width: 90–120 cm
Habit: Upright, bushy
Flowering period: Summer to autumn
Exposure: Full sun to partial shade
Watering needs: Moderate to regular
Soil type: Well-drained, fertile
Hardiness zone: Zone 4 to 9
Drought tolerance: Good
Nectar-rich plant: Yes
Attracts pollinators: Yes
Toxicity to animals: Non-toxic
✂️ Care
Easy to grow, this Persicaria thrives in well-drained, fertile soil. Plant it in full sun to partial shade for abundant and prolonged flowering. Keep the soil moderately moist during growth, then reduce watering once established.
Apply a light mulch in spring to retain moisture and regulate soil temperature. Ideal for backgrounds, borders, and wild flower gardens, this Persicaria attracts pollinators and beneficial insects.

