Knotweed varieties
Persicaria · Polygonaceae
Compare 8 knotweed varieties. They range from zone 3 to zone 11. Garden centre favorites come first.
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- knotweedPersicaria polymorphaZones 4 to 9 · Sun to shade · 3 to 5 ft
- Asian mintPersicaria odorataZones 9 to 11 · Sun to part shade · 6 to 18"
- pennsylvania smartweedPersicaria pensylvanicaZones 3 to 10 · Full sun · 6 ft
- amphibious bistortPersicaria amphibiaZones 3 to 10 · Sun to part shade · 1 to 6 ft
- Red Dragon knotweedPersicaria microcephala 'Red Dragon'Zones 6 to 8 · Sun to part shade · 2 to 3 ft
- knotweedPersicaria virginianaZones 4 to 8 · Sun to part shade · 2 to 3 ft
- Painter knotweedPersicaria 'Painter'Zones 4 to 8 · Sun to part shade · 2 ft
- Flamingo Feathers knotweedPersicaria 'Flamingo Feathers'Zones 4 to 9 · Sun to part shade · 2 to 4 ft