Silversheath Knotweed
Polygonum argyrocoleon
- Native to:
- Afghanistan, Algeria, China, Gulf States, Iran, Iraq, Kazakhstan, Kirgizstan, Kuwait, Libya, Mauritania, Morocco, North Caucasus, Pakistan, Palestine, Russia, Saudi Arabia, Tadzhikistan, Transcaucasus, Tunisia, Turkmenistan, Uzbekistan
Krzysztof Ziarnek, Kenraiz
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Polygonum
- Species:
- Polygonum argyrocoleon
- USDA Symbol:
- POAR5
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- white, pink
Garden & Ecology Notes
- Wildlife Value:
- birds
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 arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
The above propagation data sourced from Claude AI