North America Native Plant

Island Goldback Fern

Botanical name: Pityrogramma chrysophylla var. subflexuosa

USDA symbol: PICHS

Life cycle: perennial

Habit: forb

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

Synonyms: Pityrogramma subflexuosa Domin (PISU4)   

Island Goldback Fern: A Shimmering Native Beauty for Tropical Gardens If you’re looking to add a touch of golden magic to your tropical garden, the island goldback fern might just be your new favorite plant. This stunning native fern brings something truly special to the table – or should we ...

Island Goldback Fern: A Shimmering Native Beauty for Tropical Gardens

If you’re looking to add a touch of golden magic to your tropical garden, the island goldback fern might just be your new favorite plant. This stunning native fern brings something truly special to the table – or should we say, to the garden bed!

What Makes This Fern So Special?

The island goldback fern (Pityrogramma chrysophylla var. subflexuosa) is like nature’s own glitter bomb. While the top of its fronds appear as typical green fern foliage, flip them over and you’ll discover their secret weapon: a gorgeous coating of golden-yellow waxy powder called farina. This shimmering underside gives the plant its goldback common name and creates an absolutely mesmerizing display when the fronds catch the light or flutter in the breeze.

As a perennial fern, this beauty will grace your garden year after year, making it a worthwhile investment for any tropical landscape enthusiast.

Where Does It Call Home?

This charming fern is a true Caribbean native, calling Puerto Rico and the U.S. Virgin Islands home. Its natural range reflects its love for warm, tropical conditions, which gives us great clues about how to keep it happy in our gardens.

Why Choose Island Goldback Fern for Your Garden?

There are several compelling reasons to consider adding this native gem to your landscape:

  • Native plant benefits: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Unique visual appeal: Those golden undersides create stunning contrast and movement in the garden
  • Low maintenance: Once established, these ferns are relatively easy-going
  • Drought tolerance: Unlike many ferns, goldback ferns can handle drier conditions once mature

Perfect Garden Settings

Island goldback ferns shine brightest in tropical and subtropical garden settings. They’re particularly stunning in:

  • Rock gardens where their drought tolerance is an asset
  • Tropical landscape designs as accent plants
  • Areas where you want to add texture and visual interest without overwhelming the space
  • Xerophytic gardens that celebrate water-wise plants

Growing Conditions and Care

The good news is that island goldback ferns aren’t particularly fussy once you understand their preferences. Here’s what they love:

Light: These adaptable ferns can handle anything from partial shade to full sun, though they appreciate some protection during the hottest parts of the day in intense climates.

Soil: Well-draining soil is absolutely crucial. These ferns despise wet feet and will quickly decline in soggy conditions.

Water: While young plants need regular watering to get established, mature island goldback ferns are surprisingly drought-tolerant for a fern species.

Climate: Best suited for USDA hardiness zones 10-12, these tropical natives need warm temperatures year-round and should be protected from any frost.

Planting and Care Tips

Setting your island goldback fern up for success is straightforward:

  • Choose a location with excellent drainage – consider raised beds or slopes if your soil tends to stay wet
  • Water regularly during the establishment period (first few months), then gradually reduce frequency
  • Avoid overwatering – it’s better to err on the dry side with these ferns
  • Protect from frost and freezing temperatures
  • Remove any damaged or brown fronds to keep the plant looking its best

A Note About Wildlife

As a fern that reproduces through spores rather than flowers, island goldback ferns don’t directly attract pollinators like bees and butterflies. However, they do contribute to the overall ecosystem by providing habitat structure and supporting the complex web of life in tropical environments.

Is Island Goldback Fern Right for You?

If you’re gardening in tropical zones 10-12 and appreciate unique, low-maintenance native plants, the island goldback fern could be a wonderful addition to your landscape. Its golden undersides provide year-round visual interest, and its native status means you’re supporting local ecosystems while creating a beautiful garden.

Just remember that this is definitely a warm-climate plant – if you experience any frost or freezing temperatures, you’ll need to grow it in containers that can be protected during cold snaps.

With its shimmering golden secret hidden beneath each frond, the island goldback fern proves that sometimes the most beautiful surprises come in understated packages. Give this Caribbean native a try, and prepare to be dazzled by its subtle but spectacular display!

Island Goldback Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Pteridaceae E.D.M. Kirchn. - Maidenhair Fern family

Genus

Pityrogramma Link - goldback fern

Species

Pityrogramma chrysophylla (Sw.) Link - island goldback fern

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