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botanical name:
Persicaria polymorpha
Persicaria polymorpha © Deeproot Plant Base
common name:  Knotweed, White Fleeceflower
family:  Polygonaceae
characteristics: perennial
height: 0.90m
width: 0.90m
growth rate: fast
growth habit: clump
leaf colour: green
flower colour: white
stem/bark: red & green
main season: Summer
aspect: full sun, part shade
conditions: moist soil, clay soil
preferred soil pH: neutral
minimum temp: -20°C
USDA zone: 5 to 9
description:
Large clump-forming perennial with sturdy reddish stems and large pointed green leaves. Frothy clusters of small white flowers from midsummer, fading to bronze-pink in autumn.

cultivation:
Any moist soil in full sun or partial shade. Non-invasive.

propagation:
By division

other notes:
pronounced: per-sih-KAR-ee-uh pol-ee-MOR-fuh

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