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PlantSnap
Plant Care
Cuban royal palm
(Roystonea regia)
Also Known As
Cuban royal palm, Royal palm, Palm royale
About This Plant
Roystonea regia is a species of palm tree that is native to southern Florida, Mexico, and parts of Central America and the Caribbean. It is a tall, slender palm with a smooth, gray trunk that can grow up to 100 feet (30 meters) tall. The leaves are large and pinnate, with a bright green color and a feathery appearance. The flowers are small and white, and the fruit is a small, round drupe that turns from green to black when ripe.
Plant Care Instructions
Outdoor Size Range
60-100 feet (18-30 meters)
Light Requirements
Roystonea regia prefers full sun, but can tolerate partial shade.
Humidity Needs
Roystonea regia prefers high humidity, but can tolerate moderate levels.
Fertilizing Schedule
Fertilize the palm regularly with a balanced fertilizer during the growing season (spring and summer).
Pruning Guidelines
Prune dead or damaged fronds as needed, but avoid pruning healthy fronds.
Common Pests and Diseases
Common pests include spider mites, mealybugs, and scale insects.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Water the palm regularly, but do not overwater. The soil should be allowed to dry out slightly between waterings.
Temperature Range
Roystonea regia prefers warm temperatures between 70-90°F (21-32°C), and can tolerate temperatures as low as 50°F (10°C).
Growing Season
The growing season for Roystonea regia is spring and summer.
Growing Difficulty Level
Roystonea regia is moderately difficult to grow, and requires specific growing conditions to thrive.
USDA Hardiness Zones
Roystonea regia is hardy in USDA zones 10-11.
Did You Know?
Roystonea regia is the national tree of Cuba and appears on the country's coat of arms.
