Indian coral tree (Erythrina variegata)

Also known as: Easter flower, Mountain ebony

The Indian coral tree (*Erythrina variegata*), a tropical and subtropical shade tree, is frequently seen in expansive open landscapes. Blooming in the spring, its striking flowers play a significant role in Sri Lankan New Year celebrations. However, caution is advised as its seedpods are toxic. Notably, the Indian coral tree flower is also recognized as the official flower of Okinawa, Japan. Additionally, the tree's wood is economically valuable and is commonly utilized in construction.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Indian coral tree

Lifespan

Perennial

Plant Type

Tree

Plant Height

15 m to 18 m

Spread

12 m to 15 m

Leaf Color

Variegated

Flower Size

2.5 cm to 5 cm

Flower Color

Red Orange

Images of Indian coral tree

Quickly Identify Indian coral tree

Look for its distinct variegated leaves which are green with creamy white or yellow patches. Additionally, it has bright red to orange flowers that appear in clusters.

Scientific Classification of Indian coral tree

Phylum

Vascular plants

Class

Dicotyledons

Order

Legumes, milkworts and allies

Family

Legume

Genus

Coral trees

Species

Indian coral tree

Planting and Growing of Indian coral tree

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

8-12 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 Indian coral tree?

Erythrina variegata requires deep watering but prefers not to have its roots constantly soggy. Water until the soil feels moist at least 5-7 cm deep. Ensure that water drains freely to prevent root rot.

What are the symptoms of an underwatered Indian coral tree? ›

What should I do if my Indian coral tree is not getting enough water? ›

What are the symptoms of an overwatered Indian coral tree? ›

How to save an overwatered Indian coral tree? ›

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What Are the Sunlight Requirements for Indian coral tree?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Erythrina variegata thrives in partial to full sun conditions, ideally receiving direct sun exposure for 6 to 8 hours. This promotes strong growth, dense foliage, and profuse flowering, reflecting its robust health.

What is the optimal amount of sunlight for Erythrina variegata? ›

How can I ensure Erythrina variegata gets enough sunlight? ›

What happens if Erythrina variegata receives its ideal sunlight? ›

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What Is the Ideal Temperature Range for Indian coral tree?

Ideal Temperature: 68 ~ 86℉

The ideal temperature range for Erythrina variegata ensures optimal growth and development. Between 68°F and 86°F, the plant can photosynthesize efficiently, maintain its metabolic processes, and exhibit healthy growth patterns. This range mimics its natural habitat, providing similar warmth and stability.

What Soil is Best for Indian coral tree?

Soil type: Sandy soil, Loam, Sandy loam, Clay soil

Soil PH: 6.5 ~ 7.5

Erythrina variegata thrives in well-draining soils that prevent water-logging, which can be detrimental to its root system. Proper drainage ensures that the roots receive adequate oxygen without becoming waterlogged. The plant favors loam or sandy soil enriched with organic matter, which supplies essential nutrients for growth and flowering. This rich nutrient supply boosts the plant's overall health and vigor. Warm soil temperatures are favorable as they simulate the plant's native tropical environment. Warmth encourages optimal root development and supports its rapid above-ground growth. More About Soil→

How to Fertilize Indian coral tree?

Fertilizer type: Balanced

Erythrina variegata benefits from a balanced approach to fertilizing. Use a complete fertilizer with equal parts of NPK, such as a 10-10-10 formula, during its active growing seasons. For liquid fertilizers, apply approximately 1 teaspoon diluted in a gallon of water. Solid fertilizers, like slow-release granules, should be applied at a rate of 1-2 pounds per 100 square feet. Always ensure the soil is moist prior to application to avoid root burn. More About Fertilizing Techniques→

How to Prune Indian coral tree?

Pruning Time: Spring, Summer, Autumn, Winter

Begin by identifying any dead or diseased branches and remove them using sharp pruning shears. Trim back any leggy or overgrown sections to maintain the desired shape, making cuts just above a leaf node. Gradually thin out crowded branches to promote airflow and prevent potential disease. Always sterilize your tools between cuts to prevent the spread of infection. For optimal aesthetics, maintain a balanced silhouette by pruning inward-growing branches or those crossing over others. Erythrina variegata can be trained into various forms, like multi-stemmed trees or bushy plants. To create a tree-like appearance, clear out lower branches and focus growth upwards. Consistently review the plant's shape and adjust your pruning strategy accordingly. More About Pruning Techniques→

How to Propagate Indian coral tree plant?

Propagate Time: Spring, Early summer

Prior to planting, soak the seeds in warm water for 24 hours to soften the seed coat. This enhances germination rates by simulating natural conditions that seeds experience in the soil.

Select a healthy branch and cut a 4-6 inch segment at an angle using sterilized pruning shears. Strip the leaves from the lower half to reduce water loss through transpiration.

For seeds, plant them in the seedling tray filled with peat moss and perlite. For cuttings, dip the cut end in rooting hormone before planting it in a well-draining potting mix.

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How to Repot Indian coral tree plant?

Repotting frequency: Every 2-3 years

Repot Erythrina variegata when you notice roots emerging from the drainage holes or the soil seems compacted. Another signal for repotting is slow growth despite optimal care conditions. Ideally, perform repotting in spring or summer to allow the plant to recover quickly.

Select a pot that is one size larger than the current one, with ample drainage holes. The material should be breathable, such as terracotta, to facilitate air exchange. A properly chosen pot prevents waterlogging and encourages healthy root development, which is crucial for the vibrant growth of Erythrina variegata.

Opt for a well-draining potting mix rich in organic matter. The inclusion of sand or perlite helps improve aeration and drainage, preventing root rot. Proper soil selection supports robust root health, allowing Erythrina variegata to thrive with minimal risk of overwatering.

Toxicity of Indian coral tree

Is Indian coral tree toxic to humans?

The seeds of the Indian coral tree can be toxic when ingested in significant amounts. Symptoms may include nausea, vomiting, diarrhea, and severe dehydration. The leaves, bark, and seeds harbor cytisine, a harmful chemical. Symptoms of ingestion may manifest as confusion, dizziness, and extreme lethargy. In some cases, the seeds may also induce a profound sleep, potentially resulting in coma. Certain effects can be irreversible and may ultimately lead to death.

Is Indian coral tree toxic to cat?

The Indian coral tree presents a moderate level of toxicity risk to cats. If a cat consumes any part of the Indian coral tree, including its bark, leaves, roots, or seeds, it can lead to poisoning. Cats that have encountered the Indian coral tree may display signs of physical distress or health issues. Given the gravity of these circumstances, it is crucial for cat owners to swiftly seek veterinary assistance if there are any suspicions or indications of poisoning from the Indian coral tree.

Is Indian coral tree toxic to dog?

The species known as the Indian coral tree is recognized for possessing a moderate level of toxicity towards dogs. If any toxic components of this plant are ingested by dogs, they risk poisoning, with the harmful parts including bark, leaves, roots, and seeds. Consumption of these elements from the Indian coral tree can lead to various symptoms that signal poisoning. These symptoms can range from mild reactions to more severe conditions, potentially manifesting as vomiting, diarrhea, lethargy, abdominal discomfort, or even serious indicators such as tremors or seizures, contingent on the quantity consumed. It is essential for dog owners to ensure that their pets do not come into contact with the Indian coral tree and to keep a vigilant eye on them if they are within proximity to this plant. Should there be any suspicion of a dog being poisoned by the Indian coral tree, it is vital to obtain prompt veterinary assistance to secure the best possible outcome for the animal.

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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