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NC Native Plant Society:
Plant Details

Asclepias perennis

Aquatic Milkweed, White Swamp Milkweed, White Milkweed

Scientific Name:

Asclepias perennis

Genus:

Asclepias

Species Epithet:

perennis

Common Name:

Aquatic Milkweed, White Swamp Milkweed, White Milkweed

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Apocynaceae (Dogbane Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

0-1 ft., 1-3 ft.

Bloom Color(s):

White

Light:

Part Shade - 2 to 6 hours of sun per day, Less than 2 hours of sun per day

Soil Moisture:

Wet

Bloom Time:

June, July, August

Growing Area:

Coastal Plain

Habitat Description:

Cypress-gum swamps, bottomland hardwood forests, marshes. This is a species of the Deep South, occurring in NC in only the southernmost county, Brunswick, where it is very rare.

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:

Suitable for home landscapes

State Rank:

S1: Critically imperiled (*Key)

Global Rank:

G5 - Secure (*Key)

State Status:

SR-P: Significantly Rare: Peripheral (*Key)

The umbels are small but with bright white flowers

bog garden in Orange County, NC

The Scientific Name is Asclepias perennis. You will likely hear them called Aquatic Milkweed, White Swamp Milkweed, White Milkweed. This picture shows the The umbels are small but with bright white flowers of Asclepias perennis

Bettina Darveaux

Tips of the corolla can sometimes be tinged with pink and you can easily see this in the unopened flower buds.

bog garden in Orange County, NC

The Scientific Name is Asclepias perennis. You will likely hear them called Aquatic Milkweed, White Swamp Milkweed, White Milkweed. This picture shows the Tips of the corolla can sometimes be tinged with pink and you can easily see this in the unopened flower buds. of Asclepias perennis

Bettina Darveaux

Leaves are lanceolate in shape and tend to be dark green in color. The bright white flowers can have tinges of pink.

bog garden in Orange County, NC

The Scientific Name is Asclepias perennis. You will likely hear them called Aquatic Milkweed, White Swamp Milkweed, White Milkweed. This picture shows the Leaves are lanceolate in shape and tend to be dark green in color. The bright white flowers can have tinges of pink. of Asclepias perennis

Bettina Darveaux

Links:

USDA PLANTS Database Record



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