North America Native Plant

Hattie Bauer’s Halberd Fern

Botanical name: Tectaria coriandrifolia

USDA symbol: TECO3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Hattie Bauer’s Halberd Fern: A Rare Florida Native for Specialized Gardens If you’re a Florida gardener looking to add something truly special to your shade garden, meet Hattie Bauer’s halberd fern (Tectaria coriandrifolia). This distinctive native fern might not be the easiest plant to find at your local nursery, but ...

Rare plant alert!

Region: Conservation status by state

Status: S2S4: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Hattie Bauer’s Halberd Fern: A Rare Florida Native for Specialized Gardens

If you’re a Florida gardener looking to add something truly special to your shade garden, meet Hattie Bauer’s halberd fern (Tectaria coriandrifolia). This distinctive native fern might not be the easiest plant to find at your local nursery, but for the right garden in the right location, it’s absolutely worth seeking out.

What Makes This Fern Special?

Hattie Bauer’s halberd fern stands out from other ferns with its uniquely divided fronds that look remarkably like parsley or coriander leaves – hence its botanical name coriandrifolia, which literally means coriander-leaved. This perennial fern brings an almost culinary herb-like texture to the garden, creating an unexpected visual element in shaded spaces.

As a true Florida native, this fern has evolved specifically for the unique conditions found in South Florida’s tropical hardwood hammocks. It’s what botanists call an obligate wetland plant, meaning it almost always occurs in wetlands and requires consistently moist conditions to thrive.

Where You’ll Find It Growing Wild

This fern is endemic to Florida, making it one of the state’s botanical treasures. In the wild, you’ll find it tucked away in the understory of tropical hardwood hammocks, where it enjoys the deep shade, high humidity, and rich organic soils that these ecosystems provide.

Important Conservation Considerations

Here’s something every responsible gardener should know: Hattie Bauer’s halberd fern has a conservation status that suggests it may be uncommon in the wild. If you decide to add this beauty to your garden, make absolutely sure you’re purchasing from a reputable nursery that propagates their plants responsibly rather than collecting from wild populations.

Is This Fern Right for Your Garden?

This isn’t a fern for every garden or every gardener. Here’s what you need to consider:

  • Location matters: Only suitable for USDA hardiness zones 10-11 (South Florida)
  • Moisture is mandatory: As an obligate wetland plant, it needs consistently moist to wet soil conditions
  • Shade is essential: Thrives in deep shade to partial shade; direct sun will stress or kill it
  • Humidity helps: Performs best in naturally humid environments

Perfect Garden Settings

If your garden meets the right conditions, Hattie Bauer’s halberd fern excels in:

  • Naturalistic woodland gardens
  • Tropical landscape designs
  • Rain gardens and wetland gardens
  • Understory plantings beneath large trees
  • Shade gardens with consistent moisture

Growing and Care Tips

Success with this fern comes down to mimicking its natural habitat:

  • Soil: Plant in organic matter-rich, consistently moist soil that drains well but never dries out
  • Water: Maintain steady moisture levels; this isn’t a drought-tolerant once established kind of plant
  • Light: Provide deep shade to partial shade protection
  • Mulch: Use organic mulch to help retain moisture and provide slow-release nutrients
  • Fertilizer: Generally unnecessary if planted in rich, organic soil

What About Wildlife Benefits?

While ferns don’t produce the nectar and pollen that attract butterflies and bees, they do provide valuable habitat. The dense fronds offer shelter for small wildlife, and the plant contributes to the overall ecosystem health of naturalistic gardens. Some birds may use the fibrous material for nesting.

The Bottom Line

Hattie Bauer’s halberd fern is definitely a specialty plant for specialty conditions. If you live in South Florida and have a shaded, consistently moist spot in your garden, this rare native can add unique texture and ecological value to your landscape. Just remember to source it responsibly and be prepared to meet its specific moisture and shade requirements.

For most gardeners outside of South Florida, this fern simply isn’t a viable option due to its narrow climate requirements. But if you’re in its native range and looking for something truly distinctive to add to your shade garden, few ferns can match the unique charm of Hattie Bauer’s halberd fern.

Hattie Bauer’s 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 coriandrifolia (Sw.) Underw. - Hattie Bauer's 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