Alaska Knotweed

Polygonum humifusum subsp. caurianum

Native to:
Canada, United States

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Polygonum
Species:
Polygonum humifusum subsp. caurianum
USDA Symbol:
POCA10

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
10 cm
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white, pink
Ground Cover:
Yes

Garden & Ecology Notes

Wildlife Value:
birds

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
Drainage:
excellent drainage required
Moisture:
dry to moderate

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days

The above propagation data sourced from Claude AI