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Asclepias incarnata

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Plant types and subtypes: Perennials

Light Requirements: sun, part-sun

Water Use: medium, high

Soil Moisture: moist, wet

Soil Description: acid, neutral, rich, average, clay

Height: 2'-4'

Bloom Time: June, July, August, September

Bloom Color: pink, lilac

Leaf Color: green

Hardiness Zone: 3, 4, 5, 6, 7, 8, 9, 10

Additional Tags: attracts bees, attracts butterflies, attracts hummingbirds, clumping, deer resistant, edible, fall interest, fragrant flowers, medicinal, poisonous, pond margin plant, showy fruit, stream margin plant, swamp plant, wetland plant

Flower of Asclepias incarnata (swamp milkweed)
  • Flower of Asclepias incarnata (swamp milkweed)
  • Flower of Asclepias incarnata (swamp milkweed)
  • Seeds of Asclepias incarnata (swamp milkweed)
  • Flower of Asclepias incarnata (swamp milkweed)

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Description

Asclepias incarnata

Also known as:

swamp milkweed

,

pink milkweed

Scientific Synonyms:

Description

Asclepias incarnata is a striking, medium-tall plant with narrow, elongated leaves on branching stems. It has large terminal clusters of fragrant, deep-pink flowers. In fall, the plant bears 5" long, brown seed pods that will remain into winter.

Cultivation

This milkweed is native to just about all of north America east of the Rockies. Although a swamp plant, it can be grown in low lying areas of a garden where the soil remains consistently moist. It is tolerant of a wide variety of soils from well drained to mucky, and even heavy clay. Excellent around water features in full sun. It may bloom as early as June in the southern part of its range, and as late as September in the north. Zones 3-10

Propagation

Easy to propagate from seed. The tap roots prefer to remain undisturbed, however, mature plants may be divided in spring.

Additional Notes

Long used for its medicinal value, all parts of the swamp milkweed may be toxic in large quantities. Both flowers and seeds are edible, as well as the plant and young shoots when cooked. It is a larval host for the monarch and queen butterflies. Susceptible to aphids. An underutilized plant ideal for wetlands.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Gentianales
Family Asclepiadaceae Milkweed family
Genus Asclepias milkweed
Species Asclepias incarnata swamp milkweed