Desert Milkweed

Desert milkweed, also called rush milkweed, is a drought-adapted milkweed with upright gray-green stems and few leaves once mature. Its spare, sculptural form works as an accent in sunny desert gardens, gravelly beds, or poolside landscapes, where it provides seasonal flowers and wildlife value. ## Flowers and wildlife Small flower clusters range from yellowish or greenish-white in published descriptions and may appear intermittently from spring into late year. The species supports butterflies, including monarch and queen butterflies, as both a nectar source and larval host, according to the [Arizona-Sonora Desert Museum](https://www.desertmuseum.org/visit/sheets/Ascsub.pdf). Mature plants are often several feet tall, but height and spread vary by site. ## Siting Plant in full sun and well-drained soil, as recommended by the [University of Arizona Campus Arboretum](https://apps.cals.arizona.edu/arboretum/taxon.aspx?id=1036). This Sonoran and Mojave desert species is adapted to dry conditions and does not need routine irrigation once established, though occasional water during extended drought can support growth. Avoid persistently wet soil and excessive watering. ## Maintenance Pruning is usually unnecessary when the plant has suitable sun and drainage. The Arizona-Sonora Desert Museum notes that established plants can survive without supplemental water; container-grown plants need more frequent attention. Take care when handling cut material.