Apocynaceae
Swamp milkweed
Asclepias incarnata
- Family
- Apocynaceae
- Genus
- Asclepias
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Common names
By language (12)
- Arabic
- صقلاب مستنقعي, حشيشة اللبن
- arz
- اسكليبياس انكارناتا
- bar
- Sumf-Seinpflaunzen
- Chinese
- 沼泽乳草, 沼澤乳草, 冰舞马利筋, 粉花马利筋
- Dutch
- Rode zijdeplant
- English
- Swamp milkweed
- Finnish
- Purppurasilkkiyrtti
- German
- Sumpf-Seidenpflanze, Rote Seidenpflanze
- Hungarian
- Hússzínű selyemkóró, Bíbor selyemkóró
- Polish
- Trojeść krwista
- Russian
- Ваточник мясо-красный
- Swedish
- Rosensidenört
Synonyms
- Acerates incarnata (L.) Decne.
- Asclepias amoena Brongn.
- Asclepias incarnata f. incarnata
- Asclepias incarnata var. incarnata
- Asclepias incarnata var. longifolia A.Gray
- Asclepias maritima Raf. ex Decne.
Flowers
- Flower colour
- red (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Toxicity: Moderate, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.
Photos
Photo: Ryan Hodnett, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Fritzflohrreynolds, CC BY-SA 3.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peganum, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Jasper Shide, CC0, from Wikimedia Commons
More in Asclepias
- BloodflowerAsclepias curassavicaApocynaceae
- Common milkweedAsclepias syriacaApocynaceae
- Butterfly milkweedAsclepias tuberosaApocynaceae
- Showy milkweedAsclepias speciosaApocynaceae
- Woollypod milkweedAsclepias eriocarpaApocynaceae
- Whorled milkweedAsclepias verticillataApocynaceae
- Spider milkweedAsclepias asperulaApocynaceae
- Heartleaf milkweedAsclepias cordifoliaApocynaceae
- Purple milkweedAsclepias purpurascensApocynaceae
- California milkweedAsclepias californicaApocynaceae
- Clasping milkweedAsclepias amplexicaulisApocynaceae
- Desert milkweedAsclepias erosaApocynaceae
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.