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Polygonum virginianum (Virginia Knotweed)

Type: Species | Edit History      Plant ID - 20931


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Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Polygonales
Family: Polygonaceae
Genus: Polygonum
Species: Polygonum virginianum
 
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Plant Types edit
  • Juglone Tolerant
  • Native
  • Perennial
  • Wildflower
Zones / Hardiness edit
  • 4a (to -25 F / -32 C)
  • 4b (to -20 F / -29 C)
  • 5a (to -15 F / -26 C)
  • 5b (to -10 F / -23 C)
  • 6a (to -5 F / -21 C)
  • 6b (to 0 F / -18 C)
  • 7a (to 5 F / -15 C)
  • 7b (to 10 F / -12 C)
  • 8a (to 15 F / -9 C)
  • 8b (to 20 F / -7 C)
  • 9a (to 25 F / -4 C)
  • 9b (to 30 F / -1 C)
  • 10a (to 35 F / 2 C)
Height (Maximum) edit
  • 2 to 5 feet (60 cm to 1 1/2 m)
Spread (Maximum) edit
  • 1 to 1 1/2 feet (30 to 45 cm)
Flowering Start edit
  • July
Flowering End edit
  • October
Leaf Colour edit
Leaf Shape edit
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Suitable For edit
  • Low Maintenance Garden
  • Wildflower Garden
  • Wildlife Garden
  • Woodland Garden
Sun Exposure edit
  • Full Sun
  • Partial Shade
Soil Types edit
  • Moist
Soil pH edit
Bloom Colour edit
  • White
Wildlife Value edit
  • Bird - food (fruit/berries/insects/seeds)
  • Deer Resistant
Propagation Techniques edit
Skill Level edit
Additional Short Notes add
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Members who grow this plant also grow...
  Phytolacca americana (American Pokeweed )
Lobelia siphilitica (Great Blue Lobelia)
  Sambucus canadensis (American Elder)
  Arisaema triphyllum (Jack-in-the-Pulpit, Indian Turnip)


Contributors For This Plant
bubbleoffplumb (635)
Frank (2698)


Gardens Containing This Plant
bubbleoffplumb's Garden


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Other names for this plant:
Antenoron virginianum
Persicaria virginiana
Tovara virginiana



This page includes name data supplied by ITIS.gov. View their own page for this plant.