Broadleaf Arrowhead

Sagittaria latifolia

Native to:
Bolivia, Canada, Colombia, Costa Rica, Cuba, Guatemala, Honduras, Mexico, Nicaragua, Prince Edward I., Puerto Rico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Alismataceae
Genus:
Sagittaria
Species:
Sagittaria latifolia
USDA Symbol:
SALA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white
Food Forest:
Contains edible parts

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Catocaline Dart (Cryptocala acadiensis)

Garden & Ecology Notes

Wildlife Value:
waterfowl, ducks, muskrats, beavers

Soil Requirements

Soil Type:
rich, organic, waterlogged soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands, marshes, and shallow waters.

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination and should be surface-sown in saturated soil or shallow water.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds were cold stratified for 150 days

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Requires scarification. Nick or rub between sheets of sandpaper. * bog plant; stand pot in 3 cm water

Source: Ontario Rock Garden & Hardy Plant Society