Spikerush
Eleocharis obtusetrigona
- Native to:
- Argentina, Bolivia, Brazil, Costa Rica, El Salvador, Galápagos, Guatemala, Honduras, Mexico, Nicaragua, Paraguay, United States
GBIF: Conveyor Belt
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Eleocharis
- Species:
- Eleocharis obtusetrigona
- USDA Symbol:
- ELOB5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-rich, clayey soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Common in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–45 days
- Notes:
- Seeds germinate best in wet, muddy conditions with fluctuating water levels. Light may improve germination.