Metroxylon salomonense

Solomon Ivory Nut Palm

Countries Of Origin: Papua New Guinea, Solomon Islands, Vanuatu

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About Metroxylon salomonense

This is a massive solitary palm that develops a stout, upright trunk covered in persistent leaf bases when young and eventually becoming more exposed with age. It has a huge crown of arching pinnate leaves, each composed of numerous narrow leaflets that form a dense and elegant canopy. The fronds can reach several meters in length, giving the palm an imposing and highly tropical appearance typical of the sago palm group. Like other members of the genus Metroxylon, it is hapaxanthic, producing an enormous terminal inflorescence once the trunk reaches maturity before that stem dies after fruiting. The large inflorescence branches carry many rounded fruits covered in overlapping scales that turn brown as they mature. Native to the Solomon Islands, this species inhabits humid lowland forests and swampy areas where warm temperatures and abundant moisture support its impressive growth.

Climate Zone 11
Min Temp (F/C) Over 40 F / Over 4 C
Leaf Type Pinnate
Height 82 Ft / 25 M
Growth Rate Slow
Conservation Status
Near Threatened
Crownshaft Yes
Habit Solitary
Soil pH 5.0-5.9 (Acidic)
Soil Type Peaty / Swampy

Cultivation Tips

Plant in a location that receives full sun to partial shade. Allow space to grow as this is an immense, fast growing palm. Water regularly and do not allow the soil to dry out between watering. It tolerates a wide range of soils and is even somewhat salt tolerant. It prefers medium to heavy soils with somewhat impeded drainage. Feed regularly during the growing season with a high quality palm fertilizer.

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