Twoheaded Water-Starwort
Callitriche heterophylla
- Native to:
- Aleutian Is., Argentina, Bolivia, Canada, Chile, Costa Rica, Dominican Republic, Greenland, Guatemala, Kuril Is., Labrador, Mexico, Russia, United States, Uruguay
Mason Brock ( Masebrock (en.wikipedia.org) )
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Callitriche
- Species:
- Callitriche heterophylla
- USDA Symbol:
- CAHE3
Growth Characteristics
- Life Cycle:
- Annual | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun,jul,aug,sep
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, moist, organic soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in freshwater habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–45 days
- Notes:
- Seeds germinate best when submerged or in saturated soil. Light may improve germination rates.
The above propagation data sourced from Claude AI