Pickerelweed

Pontederia cordata

Native to:
Argentina, Belize, Bolivia, Brazil, Canada, Colombia, Cuba, Honduras, Mexico, Paraguay, Prince Edward I., United States, Uruguay

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Pontederiaceae
Genus:
Pontederia
Species:
Pontederia cordata
USDA Symbol:
POCO14

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
blue, violet, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Pollen Specialist Bee Keystone:
★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Bellura gortynoides, Cattail Borer Moth (Bellura obliqua), Densa Bellura (Bellura densa), Purple-lined sallow (Pyrrhia exprimens)

Reported Fauna Sightings

Bees: American bumble (Bombus pensylvanicus), Brown-belted bumble (Bombus griseocollis), Common eastern (Bombus impatiens), Eastern Carpenter Bee (Xylocopa virginica), Florilegus condignus, Tri-colored bumble (Bombus ternarius), Two-spotted bumble (Bombus bimaculatus), ⚠️Western honey bee (Apis mellifera), Xylocopa micans, Yellow-banded bumble (Bombus terricola) Moths:Hummingbird Clearwing (Hemaris thysbe), Virginia Tiger Moth (Spilosoma virginica) Butterflies:American Lady (Vanessa virginiensis), Dion Skipper (Euphyes dion), Eastern Tiger Swallowtail (Papilio glaucus), Fiery Skipper (Hylephila phyleus), Silver-spotted Skipper (Epargyreus clarus)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, waterfowl, muskrats
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, organic, moisture-retentive soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands and along water bodies

Propagation & Germination

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

The above propagation data sourced from Claude AI