Clustered Bur-Reed
Sparganium glomeratum
- Native to:
- Baltic States, Belarus, Canada, China, Finland, Japan, Korea, Kuril Is., Labrador, Norway, Russia, Sweden, United States
US Forest Service
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Typhaceae
- Genus:
- Sparganium
- Species:
- Sparganium glomeratum
- USDA Symbol:
- SPGL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green, white
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, muskrats
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, moisture-retentive loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and constant moisture; germination is enhanced by shallow water or saturated conditions.
The above propagation data sourced from Claude AI