Polygonum campanulatum
Lesser Knotweed
Persicaria campanulata is a vigorous plant, with veined green leaves, and branching stems with clusters of pale pink bell-shaped flowers in Summer. Ideal for use as colourful ground cover or weed suppressant
Contributed by @GreenGlen
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Full sun to partial shade
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Occasional watering
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Full Frost Hardy: 5F (-15°C)
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Moist and free draining
Common name
Lesser Knotweed
Latin name
Polygonum campanulatum
type
Herbaceous Perennials
family
Polygonaceae
ph
5.0 - 8.5 Acid - Neutral
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Light
Full sun to partial shade
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Frost
Full Frost Hardy: 5F (-15°C)
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Soil
Moist and free draining
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Water
Occasional watering
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
1.00 M
1.00 M
Polygonum campanulatum
Persicaria campanulata is a vigorous plant, with veined green leaves, and branching stems with clusters of pale pink bell-shaped flowers in Summer. Ideal for use as colourful ground cover or weed suppressant
Flowering
From Mid Summer TO Late Autumn
Most species of Persicaria are in flower through the summer months between mid summer and late autumn.
Planting Outdoors spring
From Early Spring TO Mid Spring
Plant out in the garden in full sun or partial shade. Whilst they prefer moist soil most will tolerate dry conditions but won't spread so much.
Planting Outdoors autumn
From Mid Autumn TO Late Autumn
Plant out in the garden in full sun or partial shade. Whilst they prefer moist soil most will tolerate dry conditions but won't spread so much.
Propagation by Division
From Late Autumn TO Late Autumn
Propagate by division. Dig up and replant healthy sections every 2 or 3 years to keep in check and avoid the centres of clumps dying out.
dodehyderangea
GreenGlen