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Flamboyant

Delonix regia

Also listed as Poinciana regia, Caesalpinia regia

Also known as Royal Poinciana, Flamboyant Tree, Poinciana

tree☀️ full sun💧 low water❄ Hardy: Zone 10a – Zone 12b

Climate Match for your location

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A tropical deciduous tree prized for its brilliant scarlet-orange flowers that cover the canopy in late spring. Fast-growing with a wide-spreading habit, it creates striking shade and requires minimal water once established.

Why grow it

Delonix regia outperforms many tropical shade trees in flower intensity and speed of establishment, typically flowering within 3-5 years from a young tree. Unlike some equally showy species, it tolerates poor soils and irregular water once mature, making it practical for permaculture systems in frost-free regions. Its wide canopy provides substantial filtered shade suitable for understory plantings, though gardeners should compare its deciduous habit against evergreen alternatives if year-round coverage is needed.

Watch out for

This tree can develop a shallow root system that may compete aggressively with nearby plantings or damage shallow utilities; placement matters considerably. Young trees benefit from consistent watering and staking in windy sites, as fast growth can produce structurally weak branching if not managed early. In very warm climates, it may self-seed prolifically in disturbed areas, requiring monitoring if you wish to contain its spread.

Overview

Form
Spreading
Growth Rate
fast
Size
30–50′ tall × 30–45′ wide
Dormancy
deciduous
Family
Fabaceae
Pollinators & beneficial insects
Nitrogen fixer · Low

Native Range

Madagascar

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

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Companion Planting

Plants well with