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Asclepias curassavica ‘Silky Gold’ (photo courtesy of Laura Dunkin-Hubby)
Asclepias curassavica ‘Silky Gold’ (photo courtesy of Laura Dunkin-Hubby)

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Zone
Zones A1-A3, 1-45, H1, H2
Full Sun
Full
Regular WaterMinimal Water
Moderate, Minimal

Asclepias curassavica

Blood Flower
Asclepiadaceae
Annuals, Perennials, Flowers

ASCLEPIAS

Though some include the word “weed” in their common name, the plants listed here are anything but weeds—they’re showy, easy-to-grow garden plants. All bloom in summer, typically bearing many small, starlike flowers in broad, flattened clusters at or near the branch tips. Their inflated seedpods split open to reveal silky seeds and milky sap. Their nectar attracts butterflies.

Asclepias curassavica (photo courtesy of Annie’s Annuals & Perennials)
Asclepias curassavica (photo courtesy of Annie’s Annuals & Perennials)

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Asclepias curassavica

Zones 8, 9, 12–24; H1, H2; all zones as annual. Native to South America. Woody-based plant with stiff stems and narrow 6-in. leaves; grows to 3 ft. tall, 2 ft. wide. Clusters of vivid red flowers. ‘Red Butterflies’ has bright orange-scarlet flowers. ‘Silky Gold’ is similar but bears bright yellow to yellow-orange blooms. Moderate water.

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