Delonix regia
Ignite your landscape with the breathtaking beauty of the Royal Poinciana, the world-renowned Flame Tree. Known for its explosive display of scarlet-orange blossoms and elegant, fern-like foliage, this magnificent tree creates a massive canopy of cooling shade. Perfect as a stunning centerpiece for any large garden or estate, the Delonix regia is a fast-growing, resilient choice for warm climates, promising decades of spectacular, fiery beauty.
1. Basic Identification
Common Name: Royal Poinciana
Botanical Name: Delonix regia
Former Name: Poinciana regia
Plant Type: Ornamental Tree
Plant Code / SKU: PLT-1688
Alternative Names:
Flame Tree
Flamboyant Tree
Gulmohar
Peacock Flower
بونسيانة
2. Taxonomy & Classification
Order: Fabales
Family: Fabaceae
Genus: Delonix
3. Origin & Distribution
Native Range: Endemic to the dry deciduous forests of Madagascar.
Introduced Range: Widely naturalized and cultivated as an ornamental tree in tropical and subtropical regions across the globe, including the Americas, the Caribbean, Asia, and Africa.
4. Visual Characteristics
Leaves: Feathery and fern-like, bright green, bipinnately compound. The leaflets fold up at dusk and reopen in the morning.
Flowers: Large, vibrant flowers with four scarlet or orange-red petals and a fifth, larger upright petal called the 'standard', which is uniquely spotted with yellow and white. They bloom in large, showy clusters (corymbs) during late spring and summer.
Stem/Trunk: Smooth, pale grey bark that becomes darker and slightly rough with age. The tree forms a broad, umbrella-shaped canopy and may develop prominent buttress roots at its base.
Roots: The root system is strong and can be shallow, spreading widely beyond the canopy, which may disrupt nearby paving or structures.
5. Size & Dimensions
Height: Typically grows to 10-12 meters (30-40 ft), but can reach a maximum height of around 15 meters (50 ft).
Width/Spread: Known for its wide-spreading canopy, which is often broader than the tree's height, reaching up to 18 meters (60 ft) in diameter.
Pot Size: Not suitable for container growing due to its large size and extensive root system. It is strictly a landscape tree for large, open spaces.
6. Light Requirements
Requires full sun for healthy growth and prolific flowering. A minimum of 6-8 hours of direct sunlight per day is essential.
7. Watering Needs
Young trees need regular and consistent watering to establish a deep root system. Once mature, the Royal Poinciana is highly drought-tolerant. Water deeply during extended dry periods, especially just before and during the flowering season to encourage better blooms. Ensure the soil is well-draining to prevent root rot.
8. Soil & Potting
Soil Type: Adaptable to a wide range of soil types, including clay, loam, and sand, but thrives in well-drained, sandy loam.
pH Level: Tolerates a broad pH range but performs best in slightly acidic to neutral soil (pH 5.5 to 7.5).
Potting Mix: Not applicable for landscape planting. Seedlings can be started in a standard, well-draining potting mix.
9. Temperature & Humidity
Optimal Temperature: Thrives in hot, tropical, and subtropical climates. It is not frost-tolerant and can be damaged or killed by temperatures below 7°C (45°F). It is best suited for USDA Hardiness Zones 10-12.
Humidity: Prefers moderate to high humidity but adapts well to lower humidity levels found in some dry-winter climates.
10. Fertilization
Type & Frequency: For young trees, apply a balanced, slow-release fertilizer in the spring to promote vigorous growth. Mature, established trees in reasonably fertile soil typically do not require regular fertilization.
11. Maintenance & Care Level
Low to Moderate. Pruning is recommended for young trees to establish a strong structure and for mature trees to remove dead or damaged branches. The tree can be messy, shedding a large number of flowers, leaves, and large, woody seed pods that require periodic cleanup.
12. Growth & Propagation
Growth Rate: Fast-growing, especially when young, often growing more than 1.5 meters (5 feet) per year under ideal conditions.
Propagation Methods: Primarily grown from seeds. The seeds have a very hard coat and require scarification (nicking or scratching the seed coat) or soaking in hot water for 24 hours to enable germination. It can also be propagated via semi-hardwood cuttings.
13. Common Problems
Pests: Susceptible to the poinciana caterpillar (Melipotis acontioides), which can defoliate the tree, and occasionally scale insects or mealybugs.
Diseases: Generally disease-resistant but can be prone to root rot in waterlogged soils and fungal issues like canker on the trunk or branches.
14. Benefits & Uses
Aesthetic/Ornamental: Revered globally as one of the most beautiful flowering trees, used as a spectacular focal point in parks, large gardens, and as a street tree.
Environmental: Its vast, dense canopy provides excellent shade, making it valuable for cooling public spaces and residential areas.
Other: The long, dark-brown seed pods are used in crafts and as percussion instruments in some cultures. The wood is used locally for fuel and light construction.
15. Toxicity & Safety
Human Toxicity: The raw seeds are poisonous if ingested. While other parts are not considered highly toxic, consumption of any part of the plant is not advised.
Pet Safety: The seeds are toxic to pets, including dogs and cats, and should not be ingested. The rest of the plant is considered to have low toxicity, but it is safest to prevent pets from chewing on it.
Delonix regia
Ignite your landscape with the breathtaking beauty of the Royal Poinciana, the world-renowned Flame Tree. Known for its explosive display of scarlet-orange blossoms and elegant, fern-like foliage, this magnificent tree creates a massive canopy of cooling shade. Perfect as a stunning centerpiece for any large garden or estate, the Delonix regia is a fast-growing, resilient choice for warm climates, promising decades of spectacular, fiery beauty.
1. Basic Identification
Common Name: Royal Poinciana
Botanical Name: Delonix regia
Former Name: Poinciana regia
Plant Type: Ornamental Tree
Plant Code / SKU: PLT-1688
Alternative Names:
Flame Tree
Flamboyant Tree
Gulmohar
Peacock Flower
بونسيانة
2. Taxonomy & Classification
Order: Fabales
Family: Fabaceae
Genus: Delonix
3. Origin & Distribution
Native Range: Endemic to the dry deciduous forests of Madagascar.
Introduced Range: Widely naturalized and cultivated as an ornamental tree in tropical and subtropical regions across the globe, including the Americas, the Caribbean, Asia, and Africa.
4. Visual Characteristics
Leaves: Feathery and fern-like, bright green, bipinnately compound. The leaflets fold up at dusk and reopen in the morning.
Flowers: Large, vibrant flowers with four scarlet or orange-red petals and a fifth, larger upright petal called the 'standard', which is uniquely spotted with yellow and white. They bloom in large, showy clusters (corymbs) during late spring and summer.
Stem/Trunk: Smooth, pale grey bark that becomes darker and slightly rough with age. The tree forms a broad, umbrella-shaped canopy and may develop prominent buttress roots at its base.
Roots: The root system is strong and can be shallow, spreading widely beyond the canopy, which may disrupt nearby paving or structures.
5. Size & Dimensions
Height: Typically grows to 10-12 meters (30-40 ft), but can reach a maximum height of around 15 meters (50 ft).
Width/Spread: Known for its wide-spreading canopy, which is often broader than the tree's height, reaching up to 18 meters (60 ft) in diameter.
Pot Size: Not suitable for container growing due to its large size and extensive root system. It is strictly a landscape tree for large, open spaces.
6. Light Requirements
Requires full sun for healthy growth and prolific flowering. A minimum of 6-8 hours of direct sunlight per day is essential.
7. Watering Needs
Young trees need regular and consistent watering to establish a deep root system. Once mature, the Royal Poinciana is highly drought-tolerant. Water deeply during extended dry periods, especially just before and during the flowering season to encourage better blooms. Ensure the soil is well-draining to prevent root rot.
8. Soil & Potting
Soil Type: Adaptable to a wide range of soil types, including clay, loam, and sand, but thrives in well-drained, sandy loam.
pH Level: Tolerates a broad pH range but performs best in slightly acidic to neutral soil (pH 5.5 to 7.5).
Potting Mix: Not applicable for landscape planting. Seedlings can be started in a standard, well-draining potting mix.
9. Temperature & Humidity
Optimal Temperature: Thrives in hot, tropical, and subtropical climates. It is not frost-tolerant and can be damaged or killed by temperatures below 7°C (45°F). It is best suited for USDA Hardiness Zones 10-12.
Humidity: Prefers moderate to high humidity but adapts well to lower humidity levels found in some dry-winter climates.
10. Fertilization
Type & Frequency: For young trees, apply a balanced, slow-release fertilizer in the spring to promote vigorous growth. Mature, established trees in reasonably fertile soil typically do not require regular fertilization.
11. Maintenance & Care Level
Low to Moderate. Pruning is recommended for young trees to establish a strong structure and for mature trees to remove dead or damaged branches. The tree can be messy, shedding a large number of flowers, leaves, and large, woody seed pods that require periodic cleanup.
12. Growth & Propagation
Growth Rate: Fast-growing, especially when young, often growing more than 1.5 meters (5 feet) per year under ideal conditions.
Propagation Methods: Primarily grown from seeds. The seeds have a very hard coat and require scarification (nicking or scratching the seed coat) or soaking in hot water for 24 hours to enable germination. It can also be propagated via semi-hardwood cuttings.
13. Common Problems
Pests: Susceptible to the poinciana caterpillar (Melipotis acontioides), which can defoliate the tree, and occasionally scale insects or mealybugs.
Diseases: Generally disease-resistant but can be prone to root rot in waterlogged soils and fungal issues like canker on the trunk or branches.
14. Benefits & Uses
Aesthetic/Ornamental: Revered globally as one of the most beautiful flowering trees, used as a spectacular focal point in parks, large gardens, and as a street tree.
Environmental: Its vast, dense canopy provides excellent shade, making it valuable for cooling public spaces and residential areas.
Other: The long, dark-brown seed pods are used in crafts and as percussion instruments in some cultures. The wood is used locally for fuel and light construction.
15. Toxicity & Safety
Human Toxicity: The raw seeds are poisonous if ingested. While other parts are not considered highly toxic, consumption of any part of the plant is not advised.
Pet Safety: The seeds are toxic to pets, including dogs and cats, and should not be ingested. The rest of the plant is considered to have low toxicity, but it is safest to prevent pets from chewing on it.