trefle.io · Taken Aug 31, 2022 by salo mervi (cc-by-sa)
Polygonaceae
Amphibious bistort
Persicaria amphibia
Also known as Water knotweed, Willow grass, Polygonum amphibium, Polygonum amphibium f. fluitans
Native Plants · Aquatic · Marginal Plant · Pond Plant · Bistort · Persicaria · Wetland · Pink Flowers · Water Garden · Perennial · Polygonaceae
Amphibious bistort is a versatile aquatic or marginal perennial that thrives in wet soils, ponds, and slow-moving water. It produces attractive pink flower spikes in summer and is excellent for naturalizing pond edges or boggy areas. Little care is needed beyond ensuring consistent moisture.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water generously; tolerates waterlogged conditions and thrives at pond margins · Every 3-5 days or keep soil consistently moist
- Maintenance
- Low
- Soil pH
- 5.5–6.5
- Cycle
- Perennial
Form & growth
Mature size and habit
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Argentina Northeast, Argentina South, Arizona, Arkansas, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
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