Carambola - Averrhoa carambola (Care, Characteristics, Distribution, Images, Edible)

Carambola

Also known as: Caramba, Star Pickle, Five-corner, Carambola Tree, Chinese Gooseberry

Carambola (Averrhoa carambola) is a tree that’s indigenous to lush and steamy regions of Southeast Asia. Another name for it is star fruit. People call it this because when you slice it in half, you’ll see an unmistakable star shape. Not only is the fruit tasty, but it also reportedly has health benefits.

Scientific classification

Species

Carambola (Averrhoa carambola)

Woodsorrels, quandongs, and allies

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Perennial

Lifespan

Tree

Plant Type

Mid spring, Late spring, Summer

Bloom Time

5 m to 12 m

Plant Height

8 m

Spread

Green

Leaf Color

6 mm

Flower Size

Images of Carambola

Distribution of Carambola

Distribution Map

Carambola is native to Southeast Asia and the Indian Subcontinent. Its cultivation and naturalization has spread across various continents, notably in tropical regions of Central and South America, South and Southeast Asia, alongside parts of the Middle East. Carambola, a widely cultivated species, thrives particularly well in humid, tropical climates.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Humid forests, woodland

Hemisphere Trend Curve

Northern

Sorthern

Flowering

Fruiting

Toxicity

Carambola fruit contains oxalic acid and caramboxin, causing mild toxicity in humans, cats, and dogs when ingested. Symptoms include nausea, vomiting, and more severe neurological effects in individuals with kidney conditions. Prompt veterinary treatment is essential for affected pets. Prevention is crucial to mitigate health risks associated with carambola's fruit consumption among susceptible populations.

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Care Guide for Carambola

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from humid Southeast Asia, carambola thrives in moisture-rich conditions with a preference for consistent hydration and moderate drought tolerance. Water it once every 1-2 weeks. Best grown outdoors, it benefits from seasonal rains that enhance its growth and fruit production.

Fertilize: Fertilize carambola with high phosphorus for blooming, shifting to balanced nutrients during growth. Apply quarterly and adjust for seasonal needs, using less in winter. Water after fertilization and avoid foliage contact. Slow-release fertilizers enhance carambola's health, providing consistent nutrients without over-fertilization risks.

Pruning: Carambola is a tropical plant recognized for its star-shaped fruit. Prune in early to late spring to enhance airflow and fruit yield. Remove dead or crossing branches for light penetration and a balanced structure. Use clean tools to reduce damage and consult horticultural guides for techniques.

Propagation: Carambola is propagated through grafting, ensuring genetic similarity and higher fruit quality. Successful grafting requires healthy rootstock and scion with compatible vascular tissues, proper humidity, and temperature. Infection risks at the graft site can be minimized using a sterilized blade and sealing the wound.

Repotting: Repot carambola every 2-3 years, ideally in early spring, using a pot 2-3 inches wider. After repotting, keep in indirect light and maintain soil moisture to support recovery, promoting vibrant star-shaped fruit and lush foliage.

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