Apocynaceae

Curtiss' milkweed

Asclepias curtissii A.Gray

Family: Apocynaceae
Genus: Asclepias

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Curtiss' milkweed (Asclepias curtissii) — FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Curtiss' milkweed

Synonyms

Asclepias arenicola Nash
Oxypteryx arenicola (Nash) Greene
Oxypteryx curtissii (A.Gray) Small

Flowers

In flower: May to September (from 282 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Alex Abair, CC BY 4.0, from iNaturalist
FlowerPhoto: Scott Allen Davis, CC BY 4.0, from iNaturalist
FlowerPhoto: Scott Ward, CC BY 4.0, from iNaturalist
FlowerPhoto: Scott Ward, CC BY 4.0, from iNaturalist
Photo: scott.zona from Miami, Florida, USA, CC BY 2.0, from Wikimedia Commons
Photo: Scott Allen Davis, CC BY 4.0, from iNaturalist
Photo: Bob Peterson from North Palm Beach, Florida, Planet Earth!, CC BY-SA 2.0, from Wikimedia Commons
Photo: Jay Horn, CC BY 4.0, from iNaturalist
Photo: Bob Peterson from North Palm Beach, Florida, Planet Earth!, CC BY-SA 2.0, from Wikimedia Commons
Photo: Alan Weakley, CC0, from iNaturalist
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons

More in Asclepias

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.