Chihuahuan Arrowhead

Sagittaria demersa

Native to:
Mexico, United States
Chihuahuan Arrowhead

Smithsonian Institution, NMNH, Botany

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Alismataceae
Genus:
Sagittaria
Species:
Sagittaria demersa
USDA Symbol:
SADE11

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Full Sun
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, fish
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, organic, waterlogged soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in shallow freshwater habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require submersion in shallow water and light for germination.

The above propagation data sourced from Claude AI