North America Native Plant

West Indian Spleenwort

Botanical name: Asplenium pteropus

USDA symbol: ASPT3

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

West Indian Spleenwort: A Delicate Caribbean Native for Your Shade Garden If you’re looking to add a touch of tropical elegance to your shaded garden spaces, the West Indian spleenwort (Asplenium pteropus) might just be the perfect fern for you. This charming native of Puerto Rico brings a delicate, almost ...

West Indian Spleenwort: A Delicate Caribbean Native for Your Shade Garden

If you’re looking to add a touch of tropical elegance to your shaded garden spaces, the West Indian spleenwort (Asplenium pteropus) might just be the perfect fern for you. This charming native of Puerto Rico brings a delicate, almost ethereal quality to any landscape with its feathery fronds and graceful growing habit.

What is West Indian Spleenwort?

West Indian spleenwort is a perennial fern that belongs to the spleenwort family. Like all ferns, it doesn’t produce flowers or seeds in the traditional sense. Instead, it reproduces through spores, making it quite different from your typical garden plants. This fascinating reproductive method is just one of the many reasons ferns add such unique character to our gardens.

As a native species of Puerto Rico, this spleenwort has adapted perfectly to tropical and subtropical conditions, thriving in the understory of forests where dappled light and consistent moisture create the ideal growing environment.

Where Does It Grow Naturally?

West Indian spleenwort calls Puerto Rico home, where it grows naturally in the island’s lush forest ecosystems. Its classification as Facultative Upland means you’ll typically find it in non-wetland areas, though it can occasionally pop up in wetter spots when conditions are right.

Is West Indian Spleenwort Right for Your Garden?

This lovely fern can be a wonderful addition to the right garden setting, but it’s definitely not a plant for every situation. Here’s what you need to know:

Perfect For:

  • Tropical and subtropical shade gardens (USDA zones 10-11)
  • Naturalistic woodland plantings
  • Adding texture and movement to shaded areas
  • Gardens that celebrate native Caribbean flora
  • Humid environments with consistent moisture

Not Ideal For:

  • Cold climate gardens (zones 9 and below)
  • Dry, arid landscapes
  • Full sun locations
  • Low-maintenance, drought-tolerant gardens

What Makes This Fern Special?

While West Indian spleenwort may not attract pollinators like flowering plants do (ferns simply don’t produce flowers!), it brings other valuable qualities to your garden ecosystem. Its delicate fronds create beautiful textural contrast against broader-leafed plants, and its preference for shaded, moist conditions makes it perfect for those tricky spots where many other plants struggle.

The graceful, feathery appearance of its fronds adds a soft, almost magical quality to shaded garden spaces. Think of it as nature’s way of adding delicate lacework to your landscape design.

Growing Conditions and Care

If you’re in the right climate zone and have the appropriate conditions, West Indian spleenwort can be a relatively low-maintenance addition to your garden:

  • Light: Prefers shade to partial shade – direct sunlight can scorch those delicate fronds
  • Moisture: Likes consistent moisture but not waterlogged soil
  • Humidity: Thrives in humid environments typical of its native tropical habitat
  • Soil: Well-draining but moisture-retentive soil works best
  • Temperature: Best suited for consistently warm climates without frost

The Bottom Line

West Indian spleenwort is a lovely choice for gardeners in tropical and subtropical regions who want to incorporate native Caribbean plants into their shaded landscapes. While it won’t work for everyone due to its specific climate and growing requirements, those who can provide the right conditions will be rewarded with a graceful, textural plant that adds authentic tropical character to their gardens.

Remember, as with any native plant, it’s important to source your West Indian spleenwort from reputable nurseries that propagate their plants responsibly rather than collecting from wild populations.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

West Indian Spleenwort

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Aspleniaceae Newman - Spleenwort family

Genus

Asplenium L. - spleenwort

Species

Asplenium pteropus Kaulf. - West Indian spleenwort

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