Broadleaf Knotweed

Polygonum minimum

Taxonomy

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

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Bloom Months:
jul, aug, sep
Bloom Colors:
White, Pink, Green
Ground Cover:
Yes

Native Range

United States: Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to alpine and subalpine regions