North America Non-native Plant

Caribbean Royal Palm

Botanical name: Roystonea oleracea

USDA symbol: ROOL

Life cycle: perennial

Habit: tree

Native status: Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii  

Caribbean Royal Palm: A Majestic Addition to Tropical Landscapes If you’ve ever dreamed of bringing a touch of tropical paradise to your garden, the Caribbean royal palm (Roystonea oleracea) might just be the showstopper you’re looking for. Also known as the imperial palm, this magnificent tree commands attention with its ...

Caribbean Royal Palm: A Majestic Addition to Tropical Landscapes

If you’ve ever dreamed of bringing a touch of tropical paradise to your garden, the Caribbean royal palm (Roystonea oleracea) might just be the showstopper you’re looking for. Also known as the imperial palm, this magnificent tree commands attention with its towering presence and elegant fronds that seem to whisper stories of distant Caribbean shores.

What Makes This Palm Special?

The Caribbean royal palm is a true giant among palms, and frankly, it knows it. This perennial beauty can soar to impressive heights of 80-100 feet (or more!), making it one of the most dramatic additions you could consider for a large landscape. Its smooth, light gray trunk stands like a natural column, topped with a crown of massive, feather-like fronds that create a stunning canopy.

What really sets this palm apart is its almost architectural quality – it’s like nature’s version of a living skyscraper, complete with a clean, column-like trunk that gradually swells at the base, giving it both strength and visual appeal.

Where Does It Come From?

Originally hailing from the Caribbean islands, particularly Trinidad and Venezuela, this palm has found its way into tropical and subtropical landscapes around the world. In the United States, you’ll find it established in places like Guam and Palau, where it has naturalized and reproduces on its own.

Is This Palm Right for Your Garden?

Let’s be honest – the Caribbean royal palm isn’t for everyone or every space. Here’s what you need to consider:

The Good News:

  • Absolutely stunning as a specimen tree
  • Perfect for creating dramatic focal points in large landscapes
  • Excellent for formal garden designs and tropical themes
  • Relatively fast-growing for such a large palm
  • Attracts various insects to its flowers, supporting local pollinators

The Reality Check:

  • Needs enormous space – we’re talking 20-30 feet from any structures
  • Only thrives in USDA zones 10-11 (sorry, northern gardeners!)
  • Can become quite expensive to maintain professionally
  • May not be the best choice if you’re prioritizing native plants

Growing Conditions and Care

If you’ve decided this majestic palm is worth the commitment, here’s how to keep it happy:

Location and Climate:

  • Full sun exposure is essential
  • USDA hardiness zones 10-11 only
  • Loves high humidity and warm temperatures year-round
  • Protect from strong winds, especially when young

Soil and Water:

  • Well-draining soil is crucial – soggy roots spell trouble
  • Regular watering, especially during dry periods
  • Mulch around the base to retain moisture and suppress weeds

Maintenance Tips:

  • Feed regularly with palm-specific fertilizer
  • Only remove completely brown fronds – never cut green ones
  • Watch for nutrient deficiencies, which show up as yellowing fronds
  • Consider professional care as the tree matures and grows taller

Landscape Design Ideas

The Caribbean royal palm works best in:

  • Large formal landscapes where it can serve as a dramatic centerpiece
  • Tropical and subtropical garden themes
  • Resort-style landscaping
  • As a specimen tree in expansive lawns
  • Lining long driveways (if you have the space and budget!)

A Word About Native Alternatives

While the Caribbean royal palm is undeniably gorgeous, it’s worth considering native palm options for your area if you’re focused on supporting local ecosystems. Native palms often require less maintenance, are better adapted to local conditions, and provide more benefits to local wildlife. Research what native palm species might work in your specific region – you might be surprised by the beautiful options available!

The Bottom Line

The Caribbean royal palm is like the luxury sports car of the palm world – absolutely stunning, guaranteed to turn heads, but requiring the right conditions and commitment to truly shine. If you have the space, climate, and dedication to care for this magnificent tree, it can transform your landscape into something truly spectacular.

Just remember: this is a long-term relationship. Plant it with the future in mind, give it the room it needs to grow, and prepare to be amazed as it develops into one of the most impressive trees in your neighborhood. After all, there’s something quite special about having your very own piece of Caribbean paradise right in your backyard!

Caribbean Royal Palm

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arecales

Family

Arecaceae Bercht. & J. Presl - Palm family

Genus

Roystonea O.F. Cook - royal palm

Species

Roystonea oleracea (Jacq.) O.F. Cook - Caribbean royal palm

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA