Brazilian Waterweed
Elodea densa
- Native to:
- Argentina, Bolivia, Brazil, Uruguay
Daderot






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Hydrocharitaceae
- Genus:
- Elodea
- Species:
- Elodea densa
- USDA Symbol:
- EGDE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- white
Garden & Ecology Notes
- Wildlife Value:
- fish, waterfowl, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-rich, silty or sandy substrate
- pH:
- 6.5 - 8.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in slow-moving freshwater bodies
Propagation & Germination
- Stratification:
- None required
- Notes:
- Reproduces primarily vegetatively through fragmentation; seed production is rare in introduced populations.
The above propagation data sourced from Claude AI