Back to species databaseForb / Wildflower

Showy Milkweed

Asclepias speciosa

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Category
Forb / Wildflower
Sun
Full
Soil moisture
Medium to Dry
Bloom time
Jun–Aug
Bloom color
Pink
Notes
Aggressive, Rhizomatous

About Showy Milkweed

Showy Milkweed lives up to its name with some of the largest and most intricate flowers in the genus. This robust perennial typically grows 3 to 4 feet tall (though it can reach up to 6 feet in ideal conditions) and is covered in soft, velvety hairs that give the entire plant a silvery-green appearance. In mid-summer, it produces stunning, spherical clusters of star-shaped flowers that are a soft pinkish-purple, with long, elegant petals that taper to a point. Native to the western and central United States, it is a tough and adaptable plant that thrives in full sun and well-drained soil, though it often prefers moist areas like streambanks and ditches. It is a critical host plant for Monarch butterflies and a favorite nectar source for bees and butterflies of all kinds. Because it spreads via rhizomes, it can form impressive colonies over time, making it an excellent choice for larger landscapes, prairie restorations, or areas where you want to create a dense habitat for wildlife.

Native range

Native to 22 states:

ArizonaCaliforniaColoradoIowaIdahoIllinoisKansasMichiganMinnesotaMontanaNorth DakotaNebraskaNew MexicoNevadaOklahomaOregonSouth DakotaTexasUtahWashingtonWisconsinWyoming

County range map

BONAP county-level native range map for Asclepias speciosa

Range map courtesy of BONAP (Biota of North America Program).

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