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Horsebush

Peltophorum dubium

Also called Cana Fístula, Yellow Poinciana, Copperpod

Horsebush
Photo: אבישי טייכר, Public domain

Peltophorum dubium is a large, fast-growing deciduous tree (often 20 to 25 m) grown mainly as a shade and street tree in warm regions, valued for its bright yellow summer flowers. The key to growing it is full sun and plenty of warmth, since it is frost tender.

Family
Fabaceae (Pea & bean family)
Grows as
Tree
Light
Full sun
Water
Water regularly when young and during dry spells; established trees tolerate drought well.
Soil
Well-drained soil, tolerant of a range of soil types.
Temperature
20–35 °C; protect from frost, as young trees are damaged below about 0 °C.
How easy
Easy
Native range
Caribbean, S. Trop. America
Climate
seasonally dry tropical

About

Peltophorum dubium is a tree in the family Fabaceae and subfamily Caesalpinioideae. This species is known as ibirá-pitá in Argentina and Paraguay, árbol de Artigas in Uruguay, and Cambuí in Brazil. It is a large tree, growing around 20–25 meters, with a more or less straight trunk.

Foliage: bright green, and deciduous

Where it grows

They are native to the seasonal deciduous forests of subtropical and temperate regions of South America. They grow on riverbanks in southern Brazil, northeastern Argentina, Paraguay and northern Uruguay. They have also been planted along the avenues of Buenos Aires, Montevideo and Porto Alegre.

Other Peltophorum plants

Peltophorum

Text excerpted from the Wikipedia article Peltophorum dubium 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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