Native Plants

Fee’s Spleenwort

Asplenium feei

USDA symbol: ASFE3

perennial forb

Puerto Rico: native

If you’re looking to add some authentic Caribbean charm to your tropical garden, meet Fee’s spleenwort (Asplenium feei) – a petite fern that brings understated elegance to shaded corners. This delicate perennial might not be the showiest plant in your garden, but what it lacks in drama, it makes up ...

Fee’s Spleenwort: A Delicate Caribbean Native for Tropical Gardens

If you’re looking to add some authentic Caribbean charm to your tropical garden, meet Fee’s spleenwort (Asplenium feei) – a petite fern that brings understated elegance to shaded corners. This delicate perennial might not be the showiest plant in your garden, but what it lacks in drama, it makes up for in refined beauty and authentic tropical character.

What Makes Fee’s Spleenwort Special?

Fee’s spleenwort is a true Caribbean native, endemic to Puerto Rico and surrounding islands. This small fern produces narrow, linear fronds that create a fine, feathery texture – perfect for adding subtle detail to your plant compositions. Unlike its flashier tropical neighbors, this spleenwort offers quiet sophistication with its delicate, almost lace-like appearance.

Also known scientifically by its synonym Asplenium sanguinolentum, this perennial fern represents the authentic flora of the Caribbean region. For gardeners in Puerto Rico or similar tropical climates, growing Fee’s spleenwort means supporting native biodiversity right in your backyard.

Where You’ll Find Fee’s Spleenwort

This charming fern calls Puerto Rico home, where it grows naturally in the island’s diverse ecosystems. Its limited geographic distribution makes it a special addition for gardeners lucky enough to live in compatible climates.

  • Species observed
  • No observations

Should You Grow Fee’s Spleenwort?

You’ll love this fern if:

  • You live in USDA zones 10-11 or can provide tropical conditions
  • You want to support native Caribbean plant species
  • You appreciate subtle, fine-textured foliage
  • You have shaded areas that need delicate groundcover
  • You enjoy collecting unique, lesser-known ferns

This might not be your plant if:

  • You live in cooler climates without greenhouse space
  • You prefer bold, dramatic foliage
  • You want low-maintenance plants (tropical ferns need consistent care)
  • You’re looking for plants with pollinator benefits

Perfect Places for Fee’s Spleenwort

This delicate beauty shines in tropical shade gardens where it can nestle among larger plants as a textural accent. Consider using it in rock gardens where its fine fronds can soften hard surfaces, or as part of a native plant collection celebrating Caribbean flora. It’s also wonderful in naturalistic plantings that mimic the understory of tropical forests.

Container growing works beautifully too – place it on a shaded patio or bring it indoors where you can appreciate its intricate frond structure up close.

Growing Fee’s Spleenwort Successfully

Light Requirements: This fern prefers shade to partial shade. Direct sunlight can scorch its delicate fronds, so think dappled light or bright, indirect illumination.

Soil Needs: Well-draining soil is crucial – Fee’s spleenwort doesn’t appreciate soggy roots. A mix that retains some moisture while allowing excess water to drain away works best.

Climate Considerations: Thriving in USDA hardiness zones 10-11, this tropical native needs consistent warmth and high humidity. If you’re outside these zones, consider it as a greenhouse or indoor plant.

Watering Wisdom: Keep the soil consistently moist but not waterlogged. Think tropical forest floor – damp but not muddy. High humidity is your friend here.

Care Tips:

  • Protect from direct sun and strong winds
  • Maintain high humidity around the plant
  • Remove any brown or damaged fronds to keep it looking fresh
  • Feed lightly with a balanced, diluted fertilizer during growing season

The Bottom Line

Fee’s spleenwort may be small and subtle, but it’s a genuine treasure for tropical gardeners who appreciate authentic native plants. While it won’t attract pollinators like flowering plants do, it brings something equally valuable – a connection to the natural heritage of the Caribbean and the quiet beauty that only ferns can provide.

If you can provide the tropical conditions this little fern craves, you’ll be rewarded with delicate, fine-textured foliage that adds sophistication to any shaded space. Just remember: this is a plant for gardeners who love the subtle and appreciate the rare – and there’s nothing wrong with that!

Asplenium feei is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Asplenium feei is also known as:

Asplenium sanguinolentum Kunze ex | USDA symbol: ASSA15

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Fern
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Division: Pteridophyta - Ferns
Class: Filicopsida
Order: Polypodiales
Family: Aspleniaceae Newman - Spleenwort family
Genus: Asplenium L. - spleenwort

Species: Asplenium feei Kunze ex Fée - Fee's spleenwort

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