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Delonix regia (Flamboyant)

Flambouyant, Flamboyant, Flame Tree, Flametree, Peacock Flower, Peacock-Flower, Poinciana, Royal Poinciana, Red Tree, Poinciana regia

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Delonix regia, Flambouyant, Flamboyant, Flame Tree, Flametree, Peacock Flower, Peacock-Flower, Poinciana, Royal Poinciana, Red Tree, Poinciana regia, Red flowers
Delonix regia, Flambouyant, Flamboyant, Flame Tree, Flametree, Peacock Flower, Peacock-Flower, Poinciana, Royal Poinciana, Red Tree, Poinciana regia, Red flowers
Delonix regia, Flambouyant, Flamboyant, Flame Tree, Flametree, Peacock Flower, Peacock-Flower, Poinciana, Royal Poinciana, Red Tree, Poinciana regia, Red flowers

Flamboyant – Delonix regia: An In-depth Look

Delonix regia, commonly known as the Flamboyant, Royal Poinciana, or Flame Tree, is a strikingly beautiful flowering tree native to Madagascar. Renowned for its fiery red-orange blossoms and fern-like foliage, it is widely cultivated in tropical and subtropical regions as an ornamental tree. Its broad canopy provides excellent shade, making it a favorite in landscapes, parks, and avenues.

Flamboyant is a member of the Fabaceae family, which also includes popular plants such as peas, beans, lupines, redbuds, and orchid trees. It enhances soil fertility through nitrogen fixation, helping nearby plants thrive and creating a healthier, more sustainable environment.

Native Range

Flamboyant is native to Madagascar but is now extensively grown in tropical and subtropical regions worldwide, including the Caribbean, Central and South America, Africa, Southeast Asia, and southern parts of the United States, such as Florida, Texas, and California.

Plant Type and Habit

Flamboyant is a fast-growing, deciduous tree with a spreading, umbrella-like canopy. Its low, wide growth habit makes it an excellent shade tree in warm climates.

Size

Mature Flamboyant trees typically grow 30-40 feet (9-12 m) tall with a spread of 40-60 feet (12-18 m). Under optimal conditions, they can grow rapidly, up to 5 feet (1.5 m) or more per year, sometimes reaching full maturity in as little as 10 years. Fast Growing Trees for Small Yards and Large Gardens.

Lifespan

With proper care, Flamboyant trees can live for 50 years or more.

Flowers

Flamboyant trees are renowned for their spectacular red-orange blossoms. Large and showy, the flowers grow in clusters at branch tips, each reaching up to 4 inches (10 cm) across. They feature five petals, with one often streaked in white or yellow. Blooming from late spring to early summer, they may continue into early fall, creating a breathtaking display.

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Fruits

After flowering, the tree produces long, flattened, mahogany-colored seedpods measuring 12-24 inches (30-60 cm) in length. As they mature, the pods turn brown and often persist on the branches for months, sometimes rattling in the wind. When fully ripe, they split open to release numerous seeds (20-40 per pod).

Foliage

Flamboyant has delicate, fern-like, bipinnately compound leaves that provide a light, feathery appearance. The bright green foliage contrasts beautifully with the vivid flowers. It is evergreen, except in climates that have a dry season or mildly cool winter.

Bark

The trunk and branches have smooth, grayish-brown bark that becomes slightly rough and fissured with age.

Hardiness

Flamboyant thrives in USDA hardiness zones 10-12. It is highly heat-tolerant but sensitive to frost. Young trees are especially vulnerable to cold and may need protection when temperatures drop below 45°F (7°C). Mature trees can tolerate short periods of cold down to 25°F (-3°C) but may lose their leaves or sustain damage near freezing.

Uses

  • Ornamental: One of the most spectacular tropical trees.
  • Shade Tree: Its broad canopy provides excellent shade, making it ideal for urban landscapes.
  • Street Tree: Commonly used in tropical cities for its aesthetic appeal.
  • Wildlife Attraction: Attracts pollinators such as bees, butterflies, and birds.
  • Coastal Landscaping: Tolerates salt spray and is well-suited for coastal gardens.
  • Medicinal Uses: Some parts of the tree are used in traditional medicine for various ailments.
  • Discover 32 Fast-Growing Shade Trees to Boost Your Garden’s Appeal

Wildlife Value

The Flamboyant tree plays a significant role in supporting wildlife, particularly through its flowers and canopy.

Pollinator Attraction: The vibrant flowers attract various pollinators, including bees and birds, which are essential for maintaining local biodiversity.

Habitat and Shelter: Its broad, spreading canopy provides shelter for birds and small animals, offering protection from predators and harsh weather. Trees That Invite Wildlife to Your Garden.

Food Source: The tree’s flowers and seeds may serve as a food source for certain wildlife species.

Drought Tolerance

Once established, Flamboyant is highly drought-tolerant. However, young trees require regular watering during dry periods to develop strong roots.

Deer and Rabbit Resistance

Flamboyant trees are generally deer-resistant but may be browsed when food sources are scarce.

Toxicity

Flamboyant trees are not considered toxic to humans or pets, but the seeds should not be ingested in large quantities.

Invasiveness

Flamboyant trees spread easily by self-seeding and can become invasive in tropical regions. Their large root systems can push out native plants and even crack sidewalks and roads.

In recent years, these trees have started spreading on their own in many countries and are now considered invasive in Australia, Christmas Island, and several Pacific islands. They tend to take over areas, forming dense stands that crowd out native plants and make it hard for local species to grow back.


Benefits and Drawbacks of Flamboyant

Benefits

  • Rapid Growth: Quickly establishes a broad canopy, providing shade.
  • Spectacular Blooms: Creates an unforgettable floral display.
  • Low Maintenance: Requires minimal care once established.
  • Drought and Heat Tolerance: Thrives in warm, dry climates.
  • Wildlife Support: Attracts pollinators, enhancing biodiversity.

Drawbacks

  • Invasive Roots: Can lift sidewalks and disrupt nearby structures.
  • Messy Droppings: Flowers, leaves, and seedpods create debris.
  • Cold Sensitivity: Cannot tolerate frost or prolonged cold spells.
  • Brittle Wood: Susceptible to storm damage.

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How to Grow and Care for Flamboyant

Light Requirements

Flamboyant thrives in full sun and requires at least 6 hours of direct sunlight daily.

Soil Requirements

Prefers well-drained, sandy soil but adapts to various soil types, including loam and clay.

Watering

Young trees require regular watering to establish strong roots. Mature trees thrive with consistent moisture but are drought-tolerant once established. During the dry or dormant season, watering should be reduced to prevent overwatering and encourage natural resilience.

Fertilization

Fertilize in spring with a balanced fertilizer to promote healthy growth and flowering.

Pruning

Prune in late winter or early spring to shape the tree and remove dead branches. Avoid excessive pruning, as it may reduce flowering.


How to Propagate a Flamboyant Tree

Seed Propagation

Flamboyant trees are most commonly propagated from seeds, which have a hard outer shell that requires special treatment to improve germination.

  • Seed Collection: Harvest mature, brown seed pods from the tree and extract the seeds.
  • Scarification: To break dormancy, soak the seeds in hot water (not boiling) for 12-24 hours or lightly file the seed coat.
  • Sowing: Plant the seeds about ½ inch (1 cm) deep in well-draining soil.
  • Moisture & Warmth: Keep the soil consistently moist and maintain a warm temperature (above 70°F/21°C).
  • Germination: Seeds typically sprout within 7-14 days under optimal conditions.

Cutting Propagation

Though less common, flamboyant trees can also be propagated from semi-hardwood cuttings.

  • Cutting Selection: Take a 6-10 inch (15-25 cm) semi-hardwood cutting from a healthy branch.
  • Preparation: Remove lower leaves and dip the cut end in rooting hormone.
  • Planting: Insert the cutting into a pot filled with a well-draining propagation mix.
  • Humidity & Warmth: Cover with a plastic bag or place in a humid environment to retain moisture.
  • Root Development: Roots should form within 4-6 weeks. Once established, transplant into a larger pot or the ground.

Propagation by seeds is the easiest and most effective method, while cuttings require more care but can be used for faster establishment of young trees.

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Common Pests and Diseases of the Flamboyant Tree

Pests

Spider mites

  • Cause: Tiny pests that feed on sap, leaving fine webs and causing leaf discoloration.
  • Symptoms: Yellowing leaves and stunted growth.
  • Control: Spray with water, apply insecticidal soap, or use neem oil to manage infestations.

Scale insects

  • Cause: These pests attach to stems and leaves, sucking sap and excreting sticky honeydew.
  • Symptoms: Sticky leaves, dieback, and fungal growth on honeydew.
  • Control: Remove scales manually, apply rubbing alcohol, or use insecticidal soap.

Aphids

  • Cause: Aphids feed on plant sap, weakening the tree.
  • Symptoms: Distorted growth and sticky residue on leaves.
  • Control: Introduce beneficial insects like ladybugs or use neem oil.

Royal Poinciana Tree Caterpillar (Melipotis acontiodes)

  • Cause: Nocturnal caterpillars that feed on leaves.
  • Symptoms: Defoliation and droppings that stain surfaces.
  • Control: Manual removal or targeted pesticide application.

Other Pests

  • Termites: Can damage the tree by feeding on wood.
  • Shoot Borers: Attack new growth, leading to stunted branches.
  • Bagworms (Acanthopsyche reimeri): Spin protective cocoons on leaves and defoliate the tree.
  • Longhorn Beetles (Leptostylus praemorsus): Bore into branches, weakening the tree.

Diseases

Stem Canker (Caused by Neoscytalidium dimidiatum)

  • Symptoms: Bark lesions, branch dieback, gumming, xylem discoloration, and eventual tree death.
  • Management: Treat with fungicides like Cidely® Top or Protifert®; prevent stress factors like water deficiency.

Root rot (Caused by Fusarium oxysporum)

  • Symptoms: Wilting leaves, yellowing foliage, and darkened roots.
  • Management: Improve soil drainage and avoid overwatering.

Anthracnose and Leaf Spot Diseases

  • Cause: Fungal infections thrive in wet conditions.
  • Symptoms: Brown spots on leaves with yellow halos or powdery mildew.
  • Control: Apply neem oil or copper-based fungicides.

Ganoderma Root Rot

  • Cause: Fungal infection affecting roots and basal stems.
  • Symptoms: Wilting leaves, mycelial mats at the base, and tree decline.
  • Management: Remove infected trees to prevent spread.

Other Fungal Diseases

  • Pleiochaeta setosa: Affects seedlings, causing leaf shriveling without mortality.
  • Armillaria mellea: Causes root rot with white mycelial sheets under bark layers.

Regular monitoring and preventive care, such as proper watering and pruning, can help keep flamboyant trees healthy and resistant to pests and diseases.

Requirements

Hardiness 10 - 12
Climate Zones 22, 23, H2
Plant Type Trees
Plant Family Leguminosae
Common names Royal Poinciana, Red Tree, Poinciana, Peacock Flower, Flame Tree, Flamboyant
Exposure Full Sun
Season of Interest Spring (Late), Summer (Early)
Height 30' - 40' (9.1m - 12.2m)
Spread 40' - 60' (12.2m - 18.3m)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Drought
Attracts Bees, Birds
Garden Styles Mediterranean Garden, Coastal Garden
How Many Plants
Do I Need?
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 10 - 12
Climate Zones 22, 23, H2
Plant Type Trees
Plant Family Leguminosae
Common names Royal Poinciana, Red Tree, Poinciana, Peacock Flower, Flame Tree, Flamboyant
Exposure Full Sun
Season of Interest Spring (Late), Summer (Early)
Height 30' - 40' (9.1m - 12.2m)
Spread 40' - 60' (12.2m - 18.3m)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Drought
Attracts Bees, Birds
Garden Styles Mediterranean Garden, Coastal Garden
How Many Plants
Do I Need?

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