North America Native Plant

Puerto Rico Silver Palm

Botanical name: Coccothrinax barbadensis

USDA symbol: COBA3

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Coccothrinax alta (O.F. Cook) Becc. (COAL3)  âš˜  Coccothrinax discreta L.H. Bailey (CODI7)  âš˜  Coccothrinax eggersiana Becc. (COEG)  âš˜  Coccothrinax eggersiana Becc. var. sanctae-crucis (COEGS)  âš˜  Coccothrinax sanctae-thomasae Becc. (COSA2)  âš˜  Thrincoma alta O.F. Cook (THAL4)   

Puerto Rico Silver Palm: A Rare Caribbean Gem for Your Garden Meet the Puerto Rico silver palm (Coccothrinax barbadensis), a stunning native Caribbean palm that’s as rare as it is beautiful. This compact palm brings a touch of tropical elegance to any garden, but there’s more to this plant than ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Puerto Rico Silver Palm: A Rare Caribbean Gem for Your Garden

Meet the Puerto Rico silver palm (Coccothrinax barbadensis), a stunning native Caribbean palm that’s as rare as it is beautiful. This compact palm brings a touch of tropical elegance to any garden, but there’s more to this plant than meets the eye – and some important things every gardener should know before adding it to their landscape.

What Makes the Puerto Rico Silver Palm Special?

Don’t let the shrub classification fool you – this is definitely a palm! The Puerto Rico silver palm is a true showstopper with its distinctive fan-shaped leaves that flash silvery-white undersides in the breeze. This perennial beauty typically stays relatively compact, making it perfect for smaller spaces where you want maximum tropical impact without overwhelming the area.

You might also encounter this palm under several historical names, including Coccothrinax alta, Coccothrinax discreta, or Coccothrinax eggersiana, but they all refer to the same charming species.

Where It Calls Home

This palm is a true native of the Caribbean, specifically calling Puerto Rico and the U.S. Virgin Islands home. Its natural range might be limited to these tropical islands, but that concentrated distribution is part of what makes it so special – and so vulnerable.

A Important Conservation Note

Here’s where things get serious: the Puerto Rico silver palm has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only an estimated 3,000 to 10,000 individuals remaining and limited to 21-100 known locations, this palm is facing real conservation challenges. If you’re considering adding one to your garden, please ensure you source it from reputable nurseries that propagate plants responsibly rather than collecting from wild populations.

Why Gardeners Love (and Should Grow) This Palm

Despite – or perhaps because of – its rarity, there are compelling reasons to include this palm in appropriate gardens:

  • Compact size makes it perfect for small tropical gardens
  • Striking silvery leaf undersides create beautiful movement and contrast
  • Native status means it’s perfectly adapted to Caribbean and similar climates
  • Drought tolerance once established makes it relatively low-maintenance
  • Small flowers provide nectar for local pollinators and insects

Growing Conditions and Care

The Puerto Rico silver palm thrives in USDA hardiness zones 10-11, so this is definitely a plant for consistently warm climates. If you’re lucky enough to live in the right zone, here’s what this palm needs to flourish:

Light: Partial shade to full sun – it’s quite adaptable to different light conditions

Soil: Well-draining soil is absolutely essential. These palms hate wet feet and will struggle in heavy, waterlogged conditions

Water: Regular watering when young to establish roots, then quite drought tolerant once settled in

Wind: Protect from strong winds that can damage the distinctive fan leaves

Perfect Garden Settings

This palm shines in tropical and subtropical landscape designs where you want to create an authentic Caribbean feel. It works beautifully as:

  • A specimen plant in small courtyards
  • Part of a mixed tropical planting
  • Coastal gardens (it handles salt air well)
  • Container growing on large patios (in appropriate climates)

Planting and Care Tips

When planting your Puerto Rico silver palm, dig a hole only as deep as the root ball – palms don’t like to be planted too deeply. Water regularly during the first year to help establish a strong root system, then back off as the palm develops its natural drought tolerance.

Keep fertilization minimal – these palms are adapted to lean soils and can actually be harmed by over-fertilization. A light application of palm-specific fertilizer once or twice a year is plenty.

The Bottom Line

The Puerto Rico silver palm is a rare treasure that deserves a place in appropriate gardens, but only when sourced responsibly. If you live in zones 10-11 and can provide the right growing conditions, this palm offers a unique opportunity to grow something truly special while supporting conservation efforts. Just remember – with great botanical beauty comes great responsibility to source ethically and grow sustainably.

By choosing to grow this vulnerable species responsibly, you’re not just adding beauty to your landscape – you’re becoming part of the conservation story of one of the Caribbean’s most distinctive palms.

Puerto Rico Silver 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

Coccothrinax Sarg. - silver palm

Species

Coccothrinax barbadensis (Lodd. ex Mart.) Becc. - Puerto Rico silver palm

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