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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...
Lobelia siphilitica (Great Blue Lobelia)
  Geranium maculatum (Spotted Geranium, Wood Geranium)
  Stylophorum diphyllum (Celandine Poppy, Wood Poppy)
  Fragaria virginiana (Virginia Strawberry)


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.