Desert milkweed, Ajamente (Asclepias subulata)

Desert milkweed, Ajamente
Scientific Name: Asclepias subulata Decne.
Family: Asclepiadaceae

Show Larger Picture Recommended Temperature Zone:
sunset: 11-13
USDA: 9-11

Frost Tolerance: Hardy to 20°F (-6°C)
Sun Exposure: Full sun to part sun, tolerates reflected heat
Origin: Sonoran desert: USA (California, Nevada, Arizona) and Mexico (Baja California, Sonora, Sinaloa) along desert washes, below 3000 feet elevation (900 m)
Growth Habits: Evergreen shrub, up to 5 feet tall (1.5 m), 4 feet spread (1.2 m), 3 feet wide
Watering Needs: Little water when established, needs good drainage
Propagation: Seeds or semi-ripe cuttings in summer.

The leaves of the desert milkweed do not last very long, and the clusters of greyish-green stems are the most characteristic appearance of this plant. It is a good plant for the sides of a swimming pool.
The desert milkweed is an important food source for the monarch butterflies.

Cultural Practices:
The desert milkweed is sensitive to aphids.

Blooming Habits:
Clusters of yellowish or cream flowers in spring to fall.

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