Plants & trees

Yellow trumpet tree

Handroanthus ochraceus

A yellow trumpet tree in full bloom, its entire crown covered in golden yellow flowers against a blue sky

Photo: Thyrome · CC0 · via Wikimedia Commons

Where
Dry forest, Coco town, Your garden
When
Flowers for a few days, usually February to April, after a dry-season shower
Size
10 to 20 metres
Should I worry
Enjoy it
Harmless. Look up when the whole town turns yellow.

One morning in the dry season you drive to town and every hillside has gone gold. Trees that were bare grey sticks yesterday are solid yellow today, no leaves, just flowers, and the road under each one is carpeted. Four days later it is gone.

Where you’ll see it

Dry forest, pasture and town streets across Guanacaste. The bloom is synchronised across a whole area, often triggered by a stray dry-season rain, so when one goes they all go.

What to know

The corteza amarilla is the most spectacular of the dry forest trees and the one everybody photographs. It flowers on bare wood at the height of the dry season, the trumpet-shaped blooms opening together over a couple of days and falling together a few days after. If you see it starting, drop everything and go look. It does not wait.

Questions people ask about this one

What is the tree that turns completely yellow in Guanacaste?

The corteza amarilla, a yellow trumpet tree. It drops every leaf in the dry season and then, often a few days after an unexpected shower, flowers all at once in a mass of golden trumpets. All the trees in an area tend to bloom together, and the display lasts less than a week.

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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