Leucothrinax morrisii

Brittle Thatch Palm, Key Thatch Palm

Arecaceae (Palmae)

Also known as Thrinax morrisii

Plant Specifics

Size:6-15 ft tall by 5-10 ft wide
Life Span:Long-lived perennial
Flower Color:White
Fruit Color:White
Noted for:Aroma, Fragrance, Interesting foliage, Hurricane wind resistance


Recommended Uses:Specimen tree, understory tree. It grows slowly.
Propagation:De-pulped seed.
Availability:Native nurseries
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Very long very dry periods)
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Tolerant of occasional/brief inundation such as can occur in storm surges.
Salt Spray/ Salty Soil Tolerance:High. Can tolerate significant and ongoing amounts of salty wind and salt spray without injury.
Soil or other substrate:Humus (organic, upland), Lime rock
Soil pH:Calcareous (high pH)



Used as a bird nesting area and food source.


Larval host plant for monk skipper (Asbolis capucinus) butterflies.

Native Habitats:Coastal strand, maritime hammock, pine rockland, rockland hammock, coastal berm

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 

USDA zones are based on minimum winter temperatures


General Comments:

The fan-shaped leaves are about 3 feet across and have silvery undersides.

Listed as Endangered by the FDACS.  Please act responsibly and acquire only from properly licensed nurseries.