Spikerush
Eleocharis congesta
- Native to:
- Bangladesh, Borneo, Caroline Is., China, Guam, India, Japan, Jawa, Korea, Kuril Is., Malaya, Myanmar, Nansei-shoto, Nepal, Palau, Philippines, Russia, Sri Lanka, Sulawesi, Sumatera, Thailand, Vietnam
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Eleocharis
- Species:
- Eleocharis congesta
- USDA Symbol:
- ELCO11
Growth Characteristics
- Growth Habit:
- Graminoid
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-rich, clay loam
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best in saturated or flooded conditions. Light may enhance germination.