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White swallow-wort

Vincetoxicum hirundinaria

Also called Common vincetoxicum, White Swallowwort, German Ipecac, Swallowwort, Swallow Wort

White swallow-wort
Photo: Stefan.lefnaer, CC BY-SA 3.0

White swallow-wort is a long-lived herbaceous perennial native to cliffs and slopes in Europe and western Asia, most often on chalky or limestone soils. It is a wild plant rather than a common garden or houseplant, and it is grown mainly by enthusiasts or for its medicinal history.

Family
Apocynaceae (Dogbane family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water during dry spells in the first year, then rely mostly on rain once established.
Soil
Free-draining, alkaline or calcareous soil such as chalky loam.
Temperature
Hardy to around -20 °C; grows well in temperate climates.
How easy
Easy
Safety
Toxic: Roots and other parts contain cardiac glycosides (related to those in Vincetoxicum relatives) that can cause nausea, vomiting and heart effects if ingested.
Native range
Europe to W. Siberia and N. Türkiye, NW. Africa
Climate
temperate

About

Vincetoxicum hirundinaria, commonly named white swallow-wort, is a long-lived herbaceous perennial of the genus Vincetoxicum in the family Apocynaceae.

Where it grows

This species is native to cliffs and slopes, especially in calcareous soils, of continental Eurasia (including some Baltic islands). There are introduced populations in North America (Ontario, Michigan, and New York). It is not present in Great Britain and Ireland.

Other Vincetoxicum plants

Vincetoxicum forsteri · Vincetoxicum rupicola · Bearded Tylophora · Vincetoxicum lineare · Dark vincetoxicum · Vincetoxicum woollsii · Swallow-wort

Text excerpted from the Wikipedia article Vincetoxicum hirundinaria 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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