Borassus flabellifer

Lontar Palm

Countries Of Origin: Bangladesh, Cambodia, India, Laos, Lesser Sunda Islands (Indonesia), Malaysia, Myanmar, Sri Lanka, Sulawesi (Indonesia), Thailand

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About Borassus flabellifer

This species is a towering solitary fan palm with a massive gray trunk that becomes deeply ringed and slightly swollen with age, creating one of the most recognizable silhouettes in tropical landscapes. It develops a large, symmetrical crown of stiff costapalmate leaves held on heavily armed petioles with sharp black teeth along the margins. The leaves are deep green to bluish-green and can span several feet across, giving mature specimens a bold architectural presence. Its inflorescences differ between male and female palms, with females producing large round fruits containing sweet jelly-like seeds surrounded by fibrous husks that mature dark brown to black. Native to India and widespread throughout tropical Asia, this palm has been deeply woven into daily life for thousands of years as a source of food, sugar, timber, fiber, and shelter.

Climate Zone 10a
Min Temp (F/C) 30 to 35 F / -1 to 2 C
Leaf Type Palmate
Height 60 Ft / 18.3 M
Growth Rate Slow
Conservation Status
Not Evaluated
Habit Solitary
Soil pH 7.0-8.0 (Neutral to alkaline)
Soil Type Rocky / Limestone

Cultivation Tips

This palm performs best in hot tropical or subtropical climates with abundant sunlight and plenty of space for long-term growth. Young palms grow slowly and appreciate occasional supplemental watering, while mature specimens become highly tolerant of heat, drought, and exposed conditions. This species adapts to a wide range of soils, including sandy and seasonally dry ground, provided drainage is adequate. Water regularly during establishment, but avoid keeping the soil excessively wet for prolonged periods. Feed with a balanced palm fertilizer several times per year during active growth to encourage stronger leaf production and trunk development.

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