Cassia javanica is a fast-growing, semi-deciduous tree from Southeast Asia, widely planted in tropical gardens and streets for its pink to crimson flower clusters. It grows large (25 to 40 m), so it suits open spaces rather than small gardens.
Family
Fabaceae (Pea & bean family)
Grows as
Tree
Light
Full sun
Water
Water regularly when young and during dry spells; established trees tolerate periods of drought.
Soil
Well-drained soil; tolerant of a range of soil types.
Temperature
Warm tropical conditions, roughly 18 to 35 °C; protect from frost.
How easy
Easy
Native range
Assam to S. China and Papuasia
Climate
wet tropical
About
Cassia javanica, also known as Java cassia, pink shower, apple blossom tree, rainbow shower tree, and Palawan cherry, is a species of tree in the family Fabaceae. Its origin is in Southeast Asia, but it has been extensively grown in tropical areas worldwide as a garden tree owing to its beautiful crimson and pink flower bunches.
Where it grows
The natural range of this species is from Assam (far northeastern India), to southern China, south through Malesia and Papuasia, to Queensland (Australia). It has been introduced to other tropical countries and areas, including India, Hawaii, Sri Lanka, tropical America and tropical Africa.
Uses
It is used medicinally as a substitute to Cassia fistula for treating constipation, colic, chlorosis and urinary disorders. Its leaves are effective against herpes simplex and the bark of C. javanica is one of the ingredients in ayurvedic and other traditional medicine antidiabetic formulations.
[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 Cassia javanica 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.