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NC Native Plant Society:
Plant Details

Asclepias purpurascens

Purple Milkweed

Scientific Name:

Asclepias purpurascens

Genus:

Asclepias

Species Epithet:

purpurascens

Common Name:

Purple Milkweed

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Apocynaceae (Dogbane Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

1-3 ft.

Bloom Color(s):

Pink, Purple

Light:

Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

May, June, July

Growing Area:

Mountains, Piedmont, Coastal Plain

Habitat Description:

Openings in moist bottomlands and swamp forests, prairies, woodlands, perhaps mostly on soils derived from mafic or calcareous rocks. Rare throughout NC.

Leaf Arrangement:

Opposite

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Recommended and Available

State Rank:

S1: Critically imperiled (*Key)

Global Rank:

G_?: Uncertain (add status to NOTES section) (*Key)

State Status:

SR-T: Significantly Rare: Throughout (*Key)

Notes:

The NC Natural Heritage Program gives NC rank as S1? and Global rank as G5?

Detail of Purple Milkweed showing a cluster of blossoms each with deep rose , strongly reflexed corolla lobes.

Will Stuart

Purple Milkweed blossoms and leaves. This photograph from the Courtyard Gardens at the North Carolina Botanical Garden.

Will Stuart

Links:

USDA PLANTS Database Record

NC Extension Gardener Plant Toolbox: https://plants.ces.ncsu.edu/plants/asclepias-purpurascens/

Go Botany: https://gobotany.nativeplanttrust.org/species/asclepias/purpurascens/

Vascular Plants of NC: https://auth1.dpr.ncparks.gov/flora/species_account.php

700 Bird-friendly Plants for NC: https://nc.audubon.org/700



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