North America Native Plant

Cutleaf Halberd Fern

Botanical name: Tectaria dissecta

USDA symbol: TEDI2

Life cycle: perennial

Habit: forb

Native status: Native to Pacific Basin excluding Hawaii  

Cutleaf Halberd Fern: A Native Pacific Treasure for Tropical Gardens If you’re gardening in the tropical Pacific and looking for a distinctive native fern to add some textural interest to your shade garden, meet the cutleaf halberd fern (Tectaria dissecta). This charming perennial fern brings a touch of wild Pacific ...

Cutleaf Halberd Fern: A Native Pacific Treasure for Tropical Gardens

If you’re gardening in the tropical Pacific and looking for a distinctive native fern to add some textural interest to your shade garden, meet the cutleaf halberd fern (Tectaria dissecta). This charming perennial fern brings a touch of wild Pacific beauty to cultivated spaces while supporting local ecosystems.

What Makes This Fern Special?

The cutleaf halberd fern stands out from other Pacific ferns with its deeply dissected, lacy fronds that create beautiful patterns of light and shadow. True to its name, the fronds are cut into intricate segments that give it a delicate, almost feathery appearance. As a native species, it’s perfectly adapted to Pacific island conditions and plays an important role in local forest ecosystems.

Where You’ll Find It Growing Wild

This fern calls the Pacific Basin home, specifically thriving in Guam and Palau. It’s part of the native flora that has evolved over thousands of years to thrive in these unique island environments.

Why Consider This Fern for Your Garden?

There are several compelling reasons to welcome the cutleaf halberd fern into your landscape:

  • It’s a true native species that supports local biodiversity
  • The dissected fronds add unique texture and visual interest
  • It’s well-adapted to Pacific island growing conditions
  • Requires minimal intervention once established
  • Perfect for creating naturalistic, forest-like garden areas

Garden Design and Landscape Use

This fern shines as a ground cover or accent plant in tropical shade gardens. It’s particularly effective when used in naturalistic designs that mimic native forest understories. Consider pairing it with other native Pacific plants to create authentic island garden ecosystems. It works beautifully along shaded pathways, under tree canopies, or in woodland-style plantings.

Growing Conditions and Care

The cutleaf halberd fern thrives in conditions similar to its native Pacific forest habitat:

  • Light: Shade to partial shade – avoid direct sunlight
  • Soil: Moist, well-draining soil rich in organic matter
  • Climate: USDA zones 10-12 (tropical and subtropical only)
  • Humidity: High humidity levels preferred
  • Water: Consistent moisture without waterlogging

Planting and Care Tips

Success with cutleaf halberd fern comes from mimicking its natural habitat:

  • Plant in a protected, shaded location
  • Amend soil with plenty of organic matter like compost or leaf mold
  • Maintain consistent soil moisture, especially during dry periods
  • Apply organic mulch to retain moisture and suppress weeds
  • Avoid fertilizing heavily – native ferns prefer lean conditions

Wildlife and Ecosystem Benefits

As a native species, the cutleaf halberd fern provides habitat and food sources for local wildlife. While ferns don’t produce nectar like flowering plants, they support various insects and provide shelter for small creatures. The spores may also serve as food for certain bird species.

Is This Fern Right for Your Garden?

The cutleaf halberd fern is an excellent choice if you’re gardening in tropical Pacific locations (zones 10-12) and want to create authentic, low-maintenance native plantings. It’s perfect for gardeners who appreciate subtle beauty and want to support local ecosystems. However, if you’re outside its native range or in cooler climates, you’ll want to look for ferns native to your specific region instead.

Remember, choosing native plants like Tectaria dissecta helps preserve the unique character of Pacific island landscapes while creating gardens that truly belong in their environment.

Cutleaf Halberd Fern

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

Tectaria Cav. - halberd fern

Species

Tectaria dissecta (G. Forst.) Lellinger - cutleaf halberd fern

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