Island Purslane
Koenigia islandica
- Native to:
- Aleutian Is., Argentina, Canada, Chile, China, Finland, Føroyar, Greenland, Iceland, Kazakhstan, Kirgizstan, Kuril Is., Labrador, Norway, Russia, Svalbard, Sweden, United States
Valerii Glazunov (www.inaturalist.org)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Koenigia
- Species:
- Koenigia islandica
- USDA Symbol:
- KOIS
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 10 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- green, white
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to alpine and arctic regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Requires cool temperatures for germination; seeds are short-lived and best sown fresh.
The above propagation data sourced from Claude AI