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Swamp Milkweed | Asclepias incarnata

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Each packet of Swamp Milkweed contains 40 seeds.Seed $3.50 Sold Out

Plant Species Synonym Names

Common: Swamp Silkweed


Milkweed - Asclepiadaceae


Swamp Milkweed

See more images Swamp Milkweed Detail


This is one of the best nectar plants to attract butterflies. It blooms profusely which helps to make it a good butterfly magnet. Monarch butterflies like it as a larval plant also. It does best is moist soil but tolerates medium soil.


Growth Habit:Herb: Herbs are broad-leaved, herbaceous (non-woody) plant. Herbaceous plants are also known as forbs or wildflowers
Grass: Grasses are herbaceous plants with narrow leaves originating at the base of the plant. Grasses are graminoids.
Tree: Trees are woody perennial plants, usually with a single trunk, relatively tall
Shrub: Shrubs are woody perennial plants with multiple stems, generally shorter than a tree.
Vine: Vines are either woody or herbaceous plants that climb or sprawl.

Life Span:Annual: Annuals are herbaceous plants that live only one year
Biennial: Biennials are herbaceous plants that live two years, flowering the second
Perennial: Perennials are herbaceous plants that live three or more years
Woody: Woody plants have woody stems that grow more than a year.

Mature Height: 5.0'

Mature Width: 3.0'

Flower Color: Red

Sun Requirement:Full Sun: direct sun 8 or more hours of the day
Part Sun: direct sun 4 to 8 hours of the day; about half a day of sun
Shade: direct sun 0 to 4 hours of the day
Full Sun

Water Requirement:Wet: Soil is soggy or marshy
Moist: Soil tends to stay moist and rarely dries out
Medium: Average soil moisture, little or now slope
Drained: Soil is well drained, never soggy; medium slope
Dry: Soil is dry, often typical of rocky soil; steep slope
Wet to Medium

Companion Plants

Swamp MilkweedNew England Aster
Aster novae-angliae


Swamp MilkweedMichigan Lily
Lilium michiganense


Swamp MilkweedObedient Plant
Physostegia virginiana


Swamp MilkweedBlue Verbena
Verbena hastata