Royal palm has large and attractive palm, it has been planted throughout the tropics and subtropics as an ornamental tree. The trunk is stout, very smooth and grey-white in color with a characteristic bulge below a distinctive green crownshaft. They are green when immature, turning red and eventually purplish-black as they mature. They are often chosen by tropical resorts, hotels, and communities to line the streets and driveways because their roots won't break through roads or sidewalks.
Common name(s): Roystonea Regia, Royal palm, Cuban Royal Palm
Flower colours: Cream-colored
Bloom time: Late summer
Max reachable height: Up to 80 feet
Difficulty to grow: Medium
Planting and care
Plant royals no closer to the house than 8 feet to allow room for the fronds to spread out and not be damaged by touching walls. You want to come out with enough distance that falling fronds don t damage anything (including people) underneath. Space these palms 8 to 10 feet apart when planting in a row. This palm is too big for growing in a container.
Sunlight: It will take partial shade but is happiest in full sun.
Soil: Topsoil or organic peat moss as a soil.
Temperature: 30 to 40 degrees Celsius
Fertilizer: Apply organic fertilizers
Caring for Roystonea Regia
Give royal palms fertilizer specially formulated for palm trees.
It should have a ratio of 8-2-12-4Mg with micronutrients.
The nitrogen should be in the form of resin-coated urea or ammonium salts, urea-formaldehyde or sulfur-coated urea.
The potassium should be in the form of sulfur-coated potassium sulfate and the magnesium should be prilled kieserite.
The micronutrients should be manganese sulfate, iron chelate, and slow-release boron.
Typical uses of Roystonea Regia
Special features: The seed is used as a source of oil and for livestock feed. Leaves are used for thatching and the wood for construction.
Ornamental use: Royal palm is one the best avenue tree mainly used to decorate the roadside, highways, and pathway.