Common Knotweed

Polygonum plebeium

Also known as: Rupturewort

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Polygonum
Species:
Polygonum plebeium

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may, jun, jul, aug, sep, oct, nov
Bloom Colors:
pink, white
Ground Cover:
Yes

Native Range

United States: New Jersey, Pennsylvania

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in disturbed areas and riverbanks