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

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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

Milkweeds (so named for their milky sap) are the best-known representatives of this group of plants. Bloom in summer, typically bearing many small, starlike flowers in broad, flattened clusters at branch tips. All have inflated seedpods with silky seeds. Just a few species are cultivated in gardens.

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’

Flowers are bright orange-scarlet.

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