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Abstract
The royal palm is a large majestic palm that is native to south Florida and Cuba. It is considered cold hardy to about 28°F or USDA Cold Hardiness Zone 10A. This species quickly grows to heights of 50–70 ft., with a spread of 20–25 ft., and has a smooth light gray trunk up to 2 ft. in diameter. It is ideal for landscaping streets, parks, and commercial properties, but becomes too large for typical residential landscapes. This revised 4-page fact sheet was written by T.K. Broschat and published by the UF Department of Environmental Horticulture, February 2014.
References
Broschat, T.K. and W.G. Latham. 1994. Oxalate content of palm fruit mesocarp. Biochem. Syst. Ecol. 22:389-392. https://doi.org/10.1016/0305-1978(94)90029-9
Broschat, T.K. and H. Donselman. 1987. Effects of fruit maturity, storage, presoaking, and seed cleaning on germination in three species of palms. J. Environ. Hort. 5:6-9. https://doi.org/10.24266/0738-2898-5.1.6
Elliott, M.L., T.K. Broschat, J.Y. Uchida, and G.W. Simone. 2004. Compendium of Ornamental Palm Diseases and Disorders. Amer. Phytopath. Soc., St. Paul, MN.
Howard, F.W., D. Moore, R.M. Giblin-Davis, and R.G. Abad. 2001. Insects on Palms. CABI, Oxon, UK. https://doi.org/10.1079/9780851993263.0000
Meerow, A.W. 2006. Betrock's Landscape Palms. Betrock Info. Syst., Hollywood, FL.