North America Native Plant

Thinleaf Creepingfern

Botanical name: Bolbitis nicotianifolia

USDA symbol: BONI

Life cycle: perennial

Habit: vine

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

Synonyms: Leptochilus nicotianifolius (Sw.) C. Chr. (LENI3)   

Thinleaf Creepingfern: A Delicate Native Beauty for Tropical Gardens Looking for a graceful native fern to add some tropical flair to your shaded garden spaces? Meet the thinleaf creepingfern (Bolbitis nicotianifolia), a charming perennial fern that’s perfectly at home in the warm, humid conditions of the Caribbean region. This delicate ...

Thinleaf Creepingfern: A Delicate Native Beauty for Tropical Gardens

Looking for a graceful native fern to add some tropical flair to your shaded garden spaces? Meet the thinleaf creepingfern (Bolbitis nicotianifolia), a charming perennial fern that’s perfectly at home in the warm, humid conditions of the Caribbean region. This delicate beauty might just be the perfect addition to your native plant collection!

What Makes Thinleaf Creepingfern Special?

The thinleaf creepingfern is a true Caribbean native, naturally occurring in Puerto Rico and the U.S. Virgin Islands. Also known by its synonym Leptochilus nicotianifolius, this perennial fern brings an authentic tropical feel to any garden lucky enough to host it.

What sets this fern apart is right there in its common name – those wonderfully thin, delicate fronds that seem to dance in the slightest breeze. The creeping growth habit makes it an excellent choice for naturalizing in shaded areas or creating soft, textural ground cover.

Where Does Thinleaf Creepingfern Grow?

This native beauty calls the Caribbean home, specifically thriving in Puerto Rico and the Virgin Islands. In its natural habitat, you’ll find it growing as a facultative upland plant, meaning it usually prefers non-wetland areas but can occasionally tolerate wetter conditions.

Is This Fern Right for Your Garden?

Before you fall head over heels for this tropical charmer, let’s talk about whether it’s a good match for your space. Thinleaf creepingfern is definitely a specialty plant that requires specific conditions to thrive:

  • Climate requirements: USDA hardiness zones 10-11 only – this is strictly a tropical/subtropical plant
  • Perfect for: Shaded tropical gardens, naturalistic landscapes, and rock garden settings
  • Ideal if you have: Consistent warmth, high humidity, and protected shade areas
  • Skip if: You live in temperate climates or lack the humid conditions this fern craves

Creating the Perfect Growing Conditions

Success with thinleaf creepingfern is all about mimicking its natural Caribbean habitat. Here’s what this delicate native needs to flourish:

  • Light: Partial to full shade – protect from direct sunlight
  • Moisture: Consistently moist but well-draining soil
  • Humidity: High humidity levels are essential
  • Air circulation: Good airflow helps prevent fungal issues
  • Soil: Well-draining organic soil that doesn’t become waterlogged

Caring for Your Thinleaf Creepingfern

Once established in the right conditions, thinleaf creepingfern is relatively low-maintenance, but it does have some specific needs:

  • Keep soil consistently moist but never soggy
  • Maintain high humidity through misting or grouping with other tropical plants
  • Provide protection from strong winds that can damage delicate fronds
  • Remove any dead or damaged fronds to keep the plant looking its best

Wildlife and Garden Benefits

While thinleaf creepingfern doesn’t attract pollinators (ferns don’t produce flowers), it contributes to the garden ecosystem in other important ways. It provides natural ground cover, helps retain soil moisture, and creates habitat structure for small creatures in your tropical garden.

The Bottom Line

Thinleaf creepingfern is a beautiful native choice for gardeners in tropical zones who want to support local biodiversity while adding delicate texture to shaded spaces. However, it’s definitely not a plant for beginners or those in cooler climates. If you can provide the warm, humid, shaded conditions it requires, this Caribbean native will reward you with its graceful presence and the satisfaction of growing a true regional specialty.

Remember, choosing native plants like thinleaf creepingfern helps support local ecosystems and reduces the need for intensive care once established. Just make sure you’re in the right climate zone and can commit to its specific growing requirements before bringing this tropical beauty home!

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

Thinleaf Creepingfern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dryopteridaceae Herter - Wood Fern family

Genus

Bolbitis Schott - creepingfern

Species

Bolbitis nicotianifolia (Sw.) Alston - thinleaf creepingfern

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