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Plant Selector Guide
Polygonum bistorta (Knotweed, European Bistort)

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Plant Type: Perennial
Uses: Groundcover, Rock Garden, Wildflower/Meadow
Propagation: Seeds
Habit: Spreading
Light: Full Sun, Part Shade
Flower Color: Pink
Blooms: Summer
Width: 2 ft.
Height: 2 - 2.5 ft.
Fertility: Average
Soil: Neutral, Moist, Well-Drained
Zone: 3 - 8
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Hardy Perennial. The dense flower spikes of P. bistorta 'Superbum' are a soft pink and are held above bright green foliage on strong, slender green stems. Growing to a height of up to 2-1/2 feet, they can be invaluable as a border plant or planted in large groups create a late summer concert of color. They prefer soil that is kept moist and will grow in full sun or part shade.