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Western Sand Milkweed

Asclepias arenaria

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Category
Forb / Wildflower
Sun
Full
Soil moisture
Dry
Bloom time
May–Aug
Bloom color
Green
Notes
Sand

About Western Sand Milkweed

Western Sand Milkweed is a resilient and fascinating specialist that thrives in the most challenging sandy environments. This hardy perennial typically grows 1 to 2 feet tall (sometimes up to 3-4 feet), featuring thick, woolly, pale green leaves that are perfectly adapted to reflect heat and conserve water. From late spring through mid-summer, it produces beautiful spherical clusters of star-shaped, greenish-white flowers that emit a sweet fragrance. As a member of the milkweed family, it is an essential host plant for Monarch butterfly caterpillars and a high-quality nectar source for bees, wasps, and beetles. Native to the sandy prairies and dunes of the Great Plains and Southwest, it requires full sun and very well-drained, sandy soil to prosper. It is an excellent choice for xeriscaping or restoration projects in arid regions where other milkweeds might find the conditions too dry. Once established, its deep taproot makes it incredibly drought-tolerant, though it should be planted in its permanent home early as it does not like to be moved.

Native range

Native to 8 states:

ColoradoKansasNebraskaNew MexicoOklahomaSouth DakotaTexasWyoming

County range map

BONAP county-level native range map for Asclepias arenaria

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

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