Roystonea regia

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Royal Palm

Arecaceae (Palmae)

Plant Specifics

Size:50-100 ft tall by 15-30 ft wide
Life Span:Long-lived perennial
Flower Color:Yellow,NA
Fruit Color:NA
Phenology:Evergreen. Life span 100+ years (Nelson 2003).
Noted for:Interesting bark, Showy flowers, Interesting foliage, Hurricane wind resistance


Recommended Uses:Specimen plant or street tree.
Considerations:This is a tall palm, make sure it has room to grow.
Availability:Native nurseries, Quality nurseries
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry)
Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Loam, Sand
Soil pH:Acidic to neutral



Various birds and other wildlife eat the fruit.


Larval host for monk skipper (Minno & Minno 1999)

Native Habitats:Tropical rockland hammock, Everglades tree islands.

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:Old fronds can be extremely heavy and are known to damage buildings when they fall (Haele and Brookwell 1999), so save the palm by not planting it overly close to a building.