North America Native Plant

Uluhe

Botanical name: Dicranopteris emarginata var. emarginata

USDA symbol: DIEME

Life cycle: perennial

Habit: vine

Native status: Native to Hawaii  

Uluhe: The Native Hawaiian Fern That’s Perfect for Tropical Gardens If you’re looking to create an authentic Hawaiian landscape or add some serious tropical vibes to your garden, let me introduce you to uluhe (Dicranopteris emarginata var. emarginata). This remarkable native fern has been carpeting Hawaiian forests for centuries, and ...

Uluhe: The Native Hawaiian Fern That’s Perfect for Tropical Gardens

If you’re looking to create an authentic Hawaiian landscape or add some serious tropical vibes to your garden, let me introduce you to uluhe (Dicranopteris emarginata var. emarginata). This remarkable native fern has been carpeting Hawaiian forests for centuries, and it might just be the perfect addition to your tropical garden paradise.

What Exactly Is Uluhe?

Uluhe is a perennial fern that’s as Hawaiian as it gets – it’s endemic to the islands, meaning you won’t find this particular variety growing wild anywhere else in the world. Unlike your typical potted fern, uluhe is a bit of an adventurer. It’s what botanists call a scrambling or climbing fern, which basically means it loves to wander around your garden, creating lush carpets of green wherever it roams.

The name uluhe comes from the Hawaiian language, and this fern has been an important part of Hawaiian ecosystems long before anyone thought about landscaping. It’s got distinctive forked fronds that give it a unique, almost prehistoric appearance that screams tropical paradise.

Where Does Uluhe Call Home?

This beautiful fern is native exclusively to the Hawaiian Islands, where it thrives in the wet to moderately dry forests. You’ll find it scrambling through the understory of native Hawaiian forests, often popping up in areas that have been disturbed – it’s quite the resilient little plant.

Why Your Tropical Garden Needs Uluhe

Here’s why uluhe might become your new favorite fern:

  • Authentic Hawaiian landscaping: If you’re in Hawaii or another tropical location, this fern helps you create genuinely native landscapes
  • Excellent groundcover: It spreads naturally to create lush, green carpets
  • Erosion control superhero: Those wandering roots are fantastic at holding soil in place
  • Low maintenance: Once established, it pretty much takes care of itself
  • Wildlife habitat: Provides shelter and nesting spots for native birds and insects
  • Unique texture: The forked fronds add interesting visual appeal to shaded areas

Perfect Garden Spots for Uluhe

Uluhe works beautifully in several garden styles:

  • Native Hawaiian gardens: Obviously perfect for authentic island landscaping
  • Tropical shade gardens: Thrives under the canopy of larger plants
  • Naturalistic landscapes: Great for creating that wild Hawaiian forest feel
  • Slope stabilization: Excellent choice for preventing erosion on hillsides
  • Understory plantings: Works wonderfully beneath palms and other tropical trees

Growing Uluhe Successfully

Before you get too excited, there’s an important reality check: uluhe is really only suitable for tropical and subtropical climates. We’re talking USDA hardiness zones 10-12, which means places like Hawaii, southern Florida, and similar warm, humid locations.

What Uluhe Loves

  • Partial shade: It prefers filtered sunlight, just like in its native forest habitat
  • High humidity: This is a tropical plant through and through
  • Well-draining but moist soil: It doesn’t want wet feet, but it also doesn’t want to dry out completely
  • Warm temperatures: Think Hawaiian weather year-round
  • Room to roam: Give it space to spread and scramble

Planting and Care Tips

Growing uluhe isn’t rocket science, but here are some tips for success:

  • Start small: Young plants establish better than large specimens
  • Mulch well: Keep those roots cool and moist with organic mulch
  • Water consistently: Especially during the establishment period
  • Be patient: Like many ferns, uluhe takes its time getting established
  • Don’t over-fertilize: Native plants typically don’t need heavy feeding

A Word About Responsible Gardening

Since uluhe is a native Hawaiian plant, it’s important to source it responsibly. If you’re in Hawaii, make sure you’re getting plants from reputable nurseries that propagate their own stock rather than collecting from the wild. This helps preserve natural populations while still allowing you to enjoy this beautiful fern in your garden.

The Bottom Line on Uluhe

If you’re gardening in a tropical climate and want to create an authentic, low-maintenance landscape that supports local ecosystems, uluhe is definitely worth considering. It’s not going to work everywhere – this is definitely a right plant, right place situation. But in the right tropical setting, it’s absolutely magical.

Just remember: this fern likes to wander, so give it room to do its thing. In return, you’ll get a gorgeous, authentic piece of Hawaiian paradise right in your own backyard.

Uluhe

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Gleicheniaceae C. Presl - Forking Fern family

Genus

Dicranopteris Bernh. - forkedfern

Species

Dicranopteris emarginata (T. Moore) W.J. Rob. - uluhe

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