Plants & trees

Bougainvillea

Bougainvillea species

A wall covered in bougainvillea in full bloom, dense with magenta papery flowers

Photo: Clint Budd · CC BY 2.0 · via Wikimedia Commons

Where
Coco town, Your garden
When
Flowers all year, most in the dry season
Size
A sprawling vine or shrub, as big as you let it
Should I worry
Enjoy it
Harmless, but the thorns are long and the sap irritates some people. Wear gloves to prune.

The colour on every wall in Coco is bougainvillea, called veranera here for the dry season, verano, when it is at its best. Magenta is the classic but you will see orange, white, purple, salmon and pink, sometimes several grafted onto one plant.

Where you’ll see it

Every wall, fence, gate and hotel entrance in the province. It thrives on neglect and full sun and produces the most colour when it is being treated worst.

What to know

The colour is not the flower. The bright papery parts are modified leaves around three tiny white true flowers. The plant is a vine with vicious thorns that will climb anything and needs hard pruning to stay in bounds. Give it sun, give it little water, and give it something to climb. It asks nothing else and it will outlive you.

Questions people ask about this one

Why does bougainvillea flower more in the dry season?

Because stress makes it bloom. Drought, heat and lean soil push it into flower, which is why the most spectacular displays are at the height of the Guanacaste dry season and why an overwatered, overfed plant in a garden produces leaves and little else. Water it less.

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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