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