Plants & trees

Golden shower tree

Cassia fistula

A golden shower tree with long hanging clusters of bright yellow flowers

Photo: Banswalhemant · CC BY-SA 4.0 · via Wikimedia Commons

Where
Coco town, Your garden
When
Flowers in the dry season, roughly March to May
Size
10 to 15 metres
Should I worry
Enjoy it
Harmless in the garden. The pod pulp is a strong laxative if eaten, so watch the dog.

The name is the description. Long drooping chains of yellow flowers hang from every branch like a shower frozen mid-fall, and for a few weeks the tree is the brightest thing on the street.

Where you’ll see it

Gardens, parks and streets in towns across Guanacaste, planted for exactly this. It is the national tree of Thailand and it has settled in happily here.

What to know

It flowers on bare or nearly bare branches at the hot end of the dry season, and the display is long enough to enjoy properly. The pods that follow are up to half a metre long, black and cylindrical, and contain seeds in a sticky sweet pulp with a strong laxative effect. Dogs sometimes chew them. That ends predictably. Otherwise a handsome, undemanding tree.

Questions people ask about this one

What is the tree with hanging yellow flowers like wisteria?

The golden shower tree, lluvia de oro, rain of gold. Native to South Asia and planted across the tropics, it drops its leaves and flowers in long pendant chains in the dry season. The long black pods that follow contain a sticky pulp used as a laxative in traditional medicine.

Wondering what else is out there?

Ask me on the call. I'll tell you what actually shows up in a Coco garden, what to do about it, and the one guy everyone rings when there's a boa in the roof.

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