Mountain Spikerush
Eleocharis montana
- Native to:
- Argentina, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Galápagos, Guam, Guatemala, Haiti, Honduras, Jamaica, Leeward Is., Mexico, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Suriname, United States, Uruguay, Venezuela, Virgin Islands
iNaturalist: © emmguevara (iNaturalist #69971143)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Eleocharis
- Species:
- Eleocharis montana
- USDA Symbol:
- ELMO
Growth Characteristics
- Life Cycle:
- Perennial

- Growth Habit:
- Graminoid

- Height:
- 30 cm

- Light Requirements:
- Full Sun

- Drought Tolerance:
- Low

- Bloom Months:
- may, jun, jul, aug, sep

- Ground Cover:
- Yes
Garden & Ecology Notes
- Minimum Light:
- Part Sun

- Best Light:
- Full Sun

- Habitat:
- Wetland, Riparian

- Wildlife Value:
- birds

- Ecology:
- An emergent wetland sedge occurring in marshes, wet meadows, seeps, and margins of streams or ponds across the Americas. It stabilizes saturated soils with a network of creeping rhizomes and provides cover for aquatic and semi-aquatic organisms.

Soil Requirements
- Soil:
- sandy — also tolerates clay, loam, silt

- pH:
- adaptable

- Drainage:
- wet

- Moisture:
- wet

- Notes:
- Occurs in saturated mud, silt, and sandy substrates, often subject to prolonged inundation or shallow standing water.

Propagation & Germination
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI