Northern Bur-Reed
Sparganium hyperboreum
- Native to:
- Aleutian Is., Canada, China, Finland, Greenland, Iceland, Italy, Japan, Korea, Kuril Is., Labrador, Norway, Prince Edward I., Russia, Sweden, United States
Nathaniel Lord Britton & Addison Brown
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Typhaceae
- Genus:
- Sparganium
- Species:
- Sparganium hyperboreum
- USDA Symbol:
- SPHY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green, white
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, fish
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- wet, nutrient-rich, organic soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in shallow water or wetlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and germinate best when submerged or in saturated soil. Light may enhance germination.
The above propagation data sourced from Claude AI