The Key Thatch Palm Tree, the scientific name Thrinax morrisii or Leucothrinax morrisii, is an endangered species. It is easy to grow and maintain. This palm can easily adjust to a variety of different conditions. It would be a great addition to any landscape. It is often planted as a single specimen or in groups of three to accent an area. It is also can be used as an entryway palm at a front door of a building.

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Key Thatch Palm Tree File

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Scientific name: hrinax morrisii or Leucothrinax morrisii

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Common names: The Key Thatch Palm is also known as Peaberry palm, Sea Thatch Palm, Blue Thatch Palm.

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Family: Arecaceae

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Origin: It is native to the Florida Keys, the Bahamas, Cuba, Haiti, Puerto Rico, Navassa Island, Anguilla, and Barbuda.

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Appearance: It has a single smooth trunk topped with a crown of palmate, or fan-shaped, fronds that grow on 1-3ft long petioles. Leaves are blue-green on top and shimmering silver/white underneath. Leaflets are narrow about 1-2ft long.

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Flowers/Fruits: In spring, it produces small white insignificant flowers that grow on the 2-3ft long inflorescence that extends beyond the leaves. Flowers are followed by small, round, fleshy white fruits that turn yellow as they mature.

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Growth Rate: Slow to Moderate.

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Outdoor/Indoor Use: Both.

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Cold Tolerance: This palm is not cold hardy and can tolerate cold only down to 30F. Perfect for the areas in USDA Zones 10a (30 to 35 F) to 11 (above 40 F).

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Light Req: Partial shade to Full sun.

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Water Req: Moderate. It can tolerate a wide range of soil conditions like clay,  sand, loam, alkaline, and acidic. Like most palms, grows in moist well-drained soil. This palm can also tolerate drought.

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Maintenance: Easy. To prevent nutritional deficiency, apply good quality palm fertilizer that has continuous release formula twice a year during the growing season.

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Propagation: By seed. It is best to propagate seeds in a mixture of moist peat and perlite.