Arizona Milkweed grows up to 2 ft tall in riparian woodlands, canyons, and mountains between 3500-7500 ft in elevation. Its clusters of white flowers can be seen in bloom between September-June. This is a host plant for monarch and queen butterfly larvae. Tolerates a wide variety of conditions, but performs the best in partial shade.

Nativity: Southern AZ to TX, South to Sonora, Chihuahua 

Ecology: riparian woodlands, floodplain meadows, canyon and arroyo bottoms

Elevation: 3,500-7,000 ft

Size: 2.5 ft tall x 2.5 ft wide (maximum size)

Flowering duration: May-August

Min temp: 15 °F

Sun/shade preference: full sun to filtered or bright shade, avoid reflected heat

Foliage duration: Perennial