Longbarb Arrowhead
Sagittaria longiloba
- Native to:
- Mexico, Nicaragua, United States
Internet Archive Book Images (www.flickr.com)

Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Alismataceae
- Genus:
- Sagittaria
- Species:
- Sagittaria longiloba
- USDA Symbol:
- SALO2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- white
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, ducks, geese, muskrats
Soil Requirements
- Soil Type:
- rich, waterlogged, clay or silty soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in shallow water or wetlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best when submerged in shallow water or on saturated mud. Light may enhance germination.
The above propagation data sourced from Claude AI