Also known as Dragon's-Eye · Kléngkéng · Lengeng
Longan (Dimocarpus longan) is an evergreen tree native to Southeast Asia, producing sweet, translucent, grape-like fruit with a single seed. It's a popular tropical delic
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers at least 6-8 hours of direct sunlight daily for optimal growth and fruiting.
Consistent
75% intensity
Maintain even soil moisture, allowing the top few centimeters to dry slightly between waterings. Reduce in cooler months.
Well-drained
50% intensity
Warm Tropical
75% intensity
Ideal temperatures range from 20-30°C. Protect from frost; it is sensitive to cold.
Moderate
50% intensity
Apply balanced fertilizer annually in spring, and supplement with micronutrients as needed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | Yes |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water the longan tree regularly, especially during its establishment phase and dry periods. Ensure the soil is consistently moist but not waterlogged. Reduce watering slightly during cooler months and after fruiting.
Check soil moisture by inserting a finger about 5 cm deep.
Prune longan trees to shape them, remove dead or diseased branches, and improve air circulation. Light pruning can be done after fruiting to encourage branching and future fruit set.
Heavy pruning is generally not recommended as it can reduce yield.
Longan is primarily propagated by grafting, typically veneer grafting or cleft grafting, onto rootstock. This method ensures desirable fruit characteristics and faster fruiting.
Seed propagation is possible but often results in unpredictable fruit quality and slower maturity.
Young longan trees may need repotting every 2-3 years, or when root-bound. Use a well-draining potting mix. For mature trees, repotting is less frequent and often involves root pruning to manage size.
Ensure the new pot is only slightly larger than the previous one.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Longan (Dimocarpus longan)
Where Longan (Dimocarpus longan) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Sapindales |
| Family | Sapindaceae |
| Genus | Dimocarpus |
| Species | Dimocarpus longan |
Similar in genus Dimocarpus
Answers based on plant encyclopedia data
