Arenga micrantha
Tibetan Sugar Palm
Country Of Origin: Tibet
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About Arenga micrantha
This is a robust, clustering palm that develops dense groups of thick, fibrous trunks covered in persistent leaf bases and dark, hairlike fibers characteristic of the genus. The crown has large, glossy, pinnate leaves with broad, wedge-shaped leaflets. The inflorescences emerge from near the leaf bases as heavy, branched clusters, carrying numerous small, yellowish to cream flowers. Following pollination, it produces rounded, dark purple to black fruits containing irritant crystals (typical of Arenga), which should be handled with care. Native to high-elevation forests of the eastern Himalayas, this palm is notable for its surprising cold tolerance and its status as one of the most mountainous species in the genus.
| Climate Zone | 9a |
| Min Temp (F/C) | 20 to 25 F / -7 to -4 C |
| Leaf Type | Pinnate |
| Height | 20 Ft / 6 M |
| Growth Rate | Slow |
| Conservation Status |
Endangered
|
| Habit | Clustering |
| Soil pH | 6.0-6.9 (Near neutral) |
| Soil Type | Loamy |
Cultivation Tips
Choose a shaded to lightly filtered location, ideally mimicking the cool, humid understory conditions of its Himalayan habitat. Young plants prefer low to moderate light, while mature clumps can acclimate to bright shade or gentle morning sun. Plant in rich, moisture-retentive soil with strong drainage to avoid waterlogging around the clustered stems. Keep the soil consistently moist, as this species dislikes extended dryness, especially in warm climates. Fertilize lightly every 6–8 weeks during the growing season to support leaf expansion and clump development.
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