Royal poinciana (Delonix regia)

Also known as: Flame tree, Flame of the forest, Red tree

The **Royal Poinciana** (*Delonix regia*), commonly known as the "Flamboyant Tree" or "Peacock Tree," hails from Madagascar. It is celebrated for its vibrant crimson or red-yellow blossoms and exhibits rapid growth, quickly attaining a height of about 12 meters.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Royal poinciana

Lifespan

Perennial

Plant Type

Tree

Plant Height

8 m to 12 m

Spread

12 m to 21 m

Leaf Color

Green

Flower Size

7 cm to 10 cm

Flower Color

Red Orange

Images of Royal poinciana

Quickly Identify Royal poinciana

Identify Delonix regia by its distinctive fern-like, bipinnate leaves and its vibrant, showy clusters of bright red or orange flowers. The tree's broad, spreading canopy and smooth, greyish bark are also identifying features.

Scientific Classification of Royal poinciana

Phylum

Vascular plants

Class

Dicotyledons

Order

Legumes, milkworts and allies

Family

Legume

Genus

Delonix

Species

Royal poinciana

Planting and Growing of Royal poinciana

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

68-86℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Royal poinciana?

For Delonix regia, water until the soil is thoroughly moistened, allowing excess to drain out. This generally translates to around 500 milliliters per session, ensuring that the roots receive enough moisture for healthy growth.

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What Are the Sunlight Requirements for Royal poinciana?

Sunlight Requirements: Full sun

Duration of light: 8-10 hours daily

Delonix regia thrives best under full sun conditions, with 8-10 hours of sunlight ideal for its growth. Adequate light promotes vigorous growth, prolific flowering, and sturdy structural development, enhancing its ornamental appeal.

What is the best lighting for Delonix regia? ›

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What Is the Ideal Temperature Range for Royal poinciana?

Ideal Temperature: 68 ~ 86℉

Delonix regia thrives best in a temperature range between 68° and 86° Fahrenheit. This range supports optimal physiological processes such as photosynthesis, respiration, and nutrient uptake. Consistently maintaining this temperature range can significantly enhance the growth rate and vibrancy of Delonix regia.

What Soil is Best for Royal poinciana?

Soil type: Sandy soil, Loam

Soil PH: 6.5 ~ 7.5

Delonix regia thrives in well-drained soils. Adequate drainage prevents waterlogging, which can suffocate roots and lead to root rot. This environment allows the tree's extensive root system to access necessary oxygen. Nutrient-rich soils supply Delonix regia with essential elements like nitrogen, phosphorus, and potassium, promoting vibrant growth and flowering. A fertile soil enhances root development and supports the tree's overall health. The soil should retain moisture sufficiently to sustain the plant between watering intervals but must not remain saturated. This balance ensures the tree receives enough water without the risks of fungal diseases. More About Soil→

How to Fertilize Royal poinciana?

Fertilizer type: Balanced

For Delonix regia, apply liquid fertilizer with a balanced N-P-K ratio of 10-10-10. Use one cup of diluted solution per foot of plant height. Ensure not to exceed this amount to avoid over-fertilization. More About Fertilizing Techniques→

How to Prune Royal poinciana?

Pruning Time: Spring, Summer

Begin by identifying and removing any dead or diseased branches. This will prevent further spread of disease and allow the tree to direct its energy to growing healthy branches and flowers. Shape the canopy to your desired aesthetic, ensuring a balanced and even structure. Remove any crossing or rubbing branches to promote strong and healthy growth. Aim for an umbrella-like shape to encourage an impressive display of flowers. When cutting branches, make the cut just above a node or bud, choosing outward-facing buds to encourage outward growth. This promotes a well-distributed canopy that enhances blooming. Maintain a clear main trunk by removing any suckers or low branches. This encourages the tree to develop a strong central structure. Trim these off as soon as they appear to prevent energy diversion from the main growth. More About Pruning Techniques→

How to Propagate Royal poinciana plant?

Propagate Time: Late spring, Early summer

Before sowing, gently scarify the seeds using sandpaper to allow water to penetrate the seed coat. This enhances germination rates significantly.

Use a well-draining potting mix combining equal parts of peat and perlite. This ensures that the seedlings have a medium that holds moisture but drains excess water.

Dip the cut end of the cuttings in rooting hormone and place them in a pot filled with moist potting mix. Keep them humid by covering with a plastic dome.

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How to Repot Royal poinciana plant?

Repotting frequency: Every 2-3 years

Delonix regia needs repotting when you notice roots poking out of drainage holes or when the growth appears stunted. This usually happens as it rapidly grows in size, especially during the warmer months. The ideal repotting time is at the beginning of its active growth phase in spring or early summer when the plant can quickly establish itself in fresh soil.

Choose a pot slightly larger than the current one, with good drainage. This promotes healthy root development and prevents water-logging, which can lead to root rot. A pot that is too large can retain excess moisture, so aim for just one size larger to facilitate steady growth.

Opt for a well-draining potting mix, preferably one enriched with organic matter. This ensures adequate aeration and nutrient availability while preventing water stagnation. A mix that is too dense can suffocate roots, whereas a lighter mix promotes healthy root expansion and quick nutrient uptake.

Toxicity of Royal poinciana

Is Royal poinciana toxic to humans?

The royal poinciana should be kept out of reach of young children. Its bark, flowers, leaves, seed pods, and particularly its seeds harbor toxic glycopeptides. Ingesting a substantial amount can lead to nausea, stomach pain, vomiting, and diarrhea. A very high dose may result in a rapid heartbeat and loss of consciousness. It is essential to regularly clean up around a royal poinciana tree, particularly when small children are present.

Is Royal poinciana toxic to cat?

The royal poinciana exhibits a moderate degree of toxicity to felines. Cats may experience poisoning if they consume seeds from this plant in significant quantities. Should poisoning occur, affected cats could display typical signs of physical distress. Pet owners who observe their cats ingesting royal poinciana seeds should swiftly obtain veterinary assistance to alleviate any potential harmful effects and protect their pet's health.

Is Royal poinciana toxic to dog?

The Royal Poinciana carries a mild risk of toxicity for dogs, especially if they ingest a significant quantity of its seeds. Dog owners need to be alert since dogs may find these seeds appealing and may consume them, which could lead to possible poisoning. After ingestion, symptoms may include gastrointestinal disturbances, such as vomiting or diarrhea. It is vital for dog owners to keep a close eye on their pets for any indications of distress and to obtain prompt veterinary assistance if poisoning is feared. Immediate treatment at a veterinary clinic is crucial for the health of the affected dog.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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