North America Native Plant

Pamoho

Botanical name: Asplenium excisum

USDA symbol: ASEX3

Life cycle: perennial

Habit: forb

Native status: Native to Hawaii  

Pamoho: Hawaii’s Delicate Native Fern for Tropical Gardens If you’re looking to add some authentic Hawaiian charm to your tropical garden, meet pamoho (Asplenium excisum) – a graceful native fern that’s been quietly beautifying the Hawaiian Islands for centuries. This delicate perennial fern brings a touch of wild Hawaiian forest ...

Pamoho: Hawaii’s Delicate Native Fern for Tropical Gardens

If you’re looking to add some authentic Hawaiian charm to your tropical garden, meet pamoho (Asplenium excisum) – a graceful native fern that’s been quietly beautifying the Hawaiian Islands for centuries. This delicate perennial fern brings a touch of wild Hawaiian forest magic right to your backyard.

What Makes Pamoho Special?

Pamoho is a true Hawaiian endemic, meaning it exists nowhere else on Earth naturally. This makes it a special addition to any garden that celebrates native biodiversity. As a member of the spleenwort family, this fern showcases the intricate, lacy fronds that make ferns such captivating garden companions.

Where You’ll Find Pamoho Growing Wild

This charming fern calls the Hawaiian Islands home exclusively. You’ll find it growing naturally throughout Hawaii’s diverse ecosystems, where it has adapted perfectly to the tropical climate and volcanic soils.

Perfect Spots for Your Garden

Pamoho thrives in shaded, woodland-style gardens where it can mimic its natural forest habitat. Here’s where this fern really shines:

  • Native Hawaiian gardens seeking authenticity
  • Shaded understory plantings
  • Tropical woodland gardens
  • Areas with filtered light and high humidity
  • Naturalistic landscape designs

Growing Conditions That Make Pamoho Happy

Like most tropical ferns, pamoho has some specific preferences that aren’t too difficult to meet:

  • Light: Bright, indirect light or dappled shade – direct sun is a no-go
  • Soil: Well-draining but consistently moist, rich in organic matter
  • Climate: USDA zones 10-12, needs tropical or subtropical conditions
  • Humidity: High humidity levels (think Hawaiian rainforest vibes)
  • Water: Regular watering to keep soil evenly moist but not waterlogged

Wetland Wisdom

Pamoho has a Facultative Upland status in Hawaii, which means it usually prefers non-wetland areas but can tolerate some moisture. This makes it quite versatile for different garden situations, as long as drainage is adequate.

Planting and Care Tips

Getting pamoho established is relatively straightforward if you can provide the right environment:

  • Plant in spring or early summer when growth is most active
  • Choose a spot with morning light and afternoon shade
  • Improve soil with plenty of organic compost or leaf mold
  • Water consistently but ensure good drainage to prevent root rot
  • Mist regularly if your climate is on the drier side
  • Protect from strong winds that can damage delicate fronds

Why Choose Pamoho for Your Garden?

Beyond its undeniable beauty, growing pamoho supports Hawaiian biodiversity and connects your garden to the unique natural heritage of the islands. While ferns don’t attract pollinators like flowering plants do, they provide important habitat structure and contribute to the overall ecosystem health of your garden.

This fern works wonderfully as a groundcover in shaded areas where other plants might struggle, and its delicate texture provides beautiful contrast to broader-leafed tropical plants.

A Word on Responsible Growing

Since pamoho is native to Hawaii, it’s important to source plants responsibly. Look for nurseries that propagate their own stock rather than collecting from wild populations. This ensures you’re supporting conservation efforts while enjoying this beautiful fern in your garden.

Whether you’re creating a native Hawaiian garden or simply want to add some tropical elegance to your shaded spaces, pamoho offers a perfect blend of beauty, authenticity, and ecological value. Give this special fern the right conditions, and it’ll reward you with years of graceful, green beauty.

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

Hawaii

FACU

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

Pamoho

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 excisum C. Presl - pamoho

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