Pale Spikerush
Eleocharis macrostachya
- Native to:
- Argentina, Bolivia, Canada, Chile, Colombia, Mexico, Peru, United States, Uruguay
iNaturalist: © jrebman (iNaturalist #160104978)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Eleocharis
- Species:
- Eleocharis macrostachya
- USDA Symbol:
- ELMA5
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, muskrats
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes following fire in wetland prairie or marsh habitats.
Soil Requirements
- Soil Type:
- moist, nutrient-rich, clay or loam
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Common in wetlands and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best when surface-sown on saturated soil or in shallow standing water. Light may improve germination.