Longbarb Arrowhead

Sagittaria longiloba

Native to:
Mexico, Nicaragua, United States

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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