Theodore Payne California Native Plant Database




Asclepias speciosa

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Botanical Name: Asclepias speciosa
Common Name: Showy Milkweed

Showy milkweed has large clusters of pink star-shaped flowers. Excellent for a habitat garden where it can be allowed to spread. Forage source for the Monarch butterfly and Striated Queen. Likes clay soil.

Plant Family: Asclepiadaceae
Plant Type: Perennial
Height by Width: 2-4' H x spreading
Growth Habit: Upright, spreading
Deciduous/Evergreen: Winter dormant
Growth Rate: Fast
Sun Exposure: Full to part sun
Soil Preference: Adaptable, prefers clay
Water Requirements: Drought-tolerant to moderate
Cold Hardy to: 6,000'
Flower Season: Summer
Flower Color: Pink
Endangered?: Not Listed
Distribution: Throughout CA
Natural Habitat: Many habitats, including fields and roadsides. Elevation: 0 - 6,000'

Image:butterfly_iconA.jpg Image:clay_iconA.jpg


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Other Names
References
  • Bornstein, Carol, David Fross, and Bart O'Brien. California Native Plants for the Garden. Los Olivos, CA: Cachuma Press. 2005.
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