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Allamanda schottii
In Singapore: Bush Allamanda (Grown in Singapore)
Bush allamanda is a shrub from southern Brazil and northeastern Argentina, grown for its large yellow flowers that appear for much of the year. It needs rich, well-drained soil and regular pruning to stay compact and bushy.
Allamanda schottii, commonly known as bush allamanda, is a shrub of genus Allamanda in the family Apocynaceae, which is native to Brazil. Reaching 2.5 metres (8.2 ft) in height, it bears large yellow flowers for much of the year. Grown as an ornamental plant, it has become a weed in several countries.
It is hardy to zones 10–11 and tolerant of dry spells. It grows best in rich, well-drained soil and benefits from regular pruning, becoming spindly otherwise.
The cultivar Allamanda "Silver dwarf discovery" is less vigorous with silvery leaves.
Allamanda schottii is found in the south and southeast of Brazil, in the states of Espírito Santo, Minas Gerais, Rio de Janeiro, São Paulo, Paraná and Santa Catarina. Previously considered endemic to that country, it was reported from northeastern Argentina in 2013. In Brazil, it grows near or alongside bodies of water, often in wet areas, in open or closed forests.
[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]
Text excerpted from the Wikipedia article Allamanda schottii 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.
