North America Native Plant

Southern Hayscented Fern

Botanical name: Dennstaedtia globulifera

USDA symbol: DEGL6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico  

Southern Hayscented Fern: A Mysterious Native Worth Knowing If you’ve ever wandered through the woodlands of Texas or Puerto Rico and spotted delicate, lacy fronds carpeting the forest floor, you might have encountered the elusive southern hayscented fern (Dennstaedtia globulifera). This native fern is something of a botanical mystery – ...

Southern Hayscented Fern: A Mysterious Native Worth Knowing

If you’ve ever wandered through the woodlands of Texas or Puerto Rico and spotted delicate, lacy fronds carpeting the forest floor, you might have encountered the elusive southern hayscented fern (Dennstaedtia globulifera). This native fern is something of a botanical mystery – while it’s officially recognized and documented, finding detailed information about it feels like searching for a needle in a haystack!

What Makes This Fern Special?

The southern hayscented fern is a perennial native species that calls both Texas and Puerto Rico home. As part of the Dennstaedtia genus, it shares family ties with the more well-known hay-scented fern (Dennstaedtia punctilobula), but this southern cousin has carved out its own unique niche in warmer climates.

Where You’ll Find It Growing Wild

This fern has a rather limited natural range, appearing in Texas within the continental United States and extending its reach to Puerto Rico. Its restricted distribution makes it a special find for native plant enthusiasts in these regions.

The Garden Potential (With a Big Caveat)

Here’s where things get interesting – and a bit frustrating for curious gardeners. While Dennstaedtia globulifera is undoubtedly a legitimate native species, detailed cultivation information is surprisingly scarce. This could mean one of several things:

  • It’s naturally rare and doesn’t appear frequently in cultivation
  • It’s often confused with or overshadowed by its more common relatives
  • It has very specific growing requirements that make it challenging to cultivate
  • It simply hasn’t been studied or promoted as much as other native ferns

What We Can Reasonably Assume

Based on its family relationships and natural habitat, the southern hayscented fern likely prefers:

  • Shaded to partially shaded locations
  • Moist, well-draining soil
  • Warm climate zones (probably USDA zones 8-11)
  • Protection from harsh afternoon sun

A Word of Caution for Eager Gardeners

Before you start scouring nurseries for this fern, know that you’re unlikely to find it readily available in the trade. Its limited distribution and lack of detailed cultivation information suggest it might be better appreciated in its natural habitat rather than in home gardens – at least until more is known about its specific needs.

Better-Known Alternatives

If you’re drawn to the idea of growing a hayscented fern, consider these better-documented native alternatives:

  • Hay-scented fern (Dennstaedtia punctilobula) for cooler climates
  • Southern lady fern (Athyrium filix-femina var. asplenioides) for similar regions
  • Bracken fern (Pteridium aquilinum) for a more aggressive spreader

The Bottom Line

The southern hayscented fern represents one of those intriguing gaps in our gardening knowledge. While it’s undoubtedly a legitimate and potentially beautiful native species, the lack of cultivation information makes it more of a botanical curiosity than a reliable garden choice at this time.

If you’re lucky enough to encounter this fern in the wild during your travels through Texas or Puerto Rico, take a moment to appreciate this mysterious native. And who knows? Perhaps future botanical research will unlock the secrets to successfully growing this elusive beauty in our gardens.

Southern Hayscented Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dennstaedtiaceae Lotsy - Bracken Fern family

Genus

Dennstaedtia Bernh. - hayscented fern

Species

Dennstaedtia globulifera (Poir.) Hieron. - southern hayscented fern

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