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Gulf coast swallow-wort

Cynanchum angustifolium

Also called Dogbane Family, Milkweed Family, Dogbane, Periwinkle Family [plants], Periwinkle Family, Dogbanes And Milkweeds

Gulf coast swallow-wort is a native perennial twining vine of the southern United States, a milkweed-family plant that hosts monarch butterflies. It is a wild species rather than a common garden plant, so care is mostly about leaving it be in suitable native habitat.

Family
Apocynaceae (Dogbane family)
Grows as
Climber, Perennial
Light
Full sun, Part shade
Water
Once established it tolerates dry spells; water young plants during dry weather.
Soil
Well-drained, sandy or loamy soil.
Temperature
Hardy in warm southern climates; protect from hard frost.
How easy
Easy

About

Funastrum angustifolium (syn. Cynanchum angustifolium) is a plant species. Commonly known as the Gulf coast swallow-wort, it is a perennial dicot that grows in the southern United States as far west as Texas. It is in the Cynanchum genus and Apocynaceae family. A flowering vine, it produces white blossoms with greenish and yellow parts. A member of the milkweed family, it is a plant host for monarch butterflies and produces wind dispersed seed pods.

Other Cynanchum plants

Cynanchum acidum · Stranglewort · Holostemma Creeper · Cynanchum daltonii · Excelsior · Cynanchum gentryi · Cynanchum gracillimum · Cynanchum guehoi · Cynanchum haughtii · Cynanchum hooperianum · Honeyvine · Cynanchum macrolobum

Text excerpted from the Wikipedia article Cynanchum angustifolium by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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