North America Native Plant

Toothed Latticevein Fern

Botanical name: Thelypteris serrata

USDA symbol: THSE3

Life cycle: perennial

Habit: forb

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

Synonyms: Dryopteris serrata (Cav.) C. Chr. (DRSE5)  âš˜  Meniscium serratum Cav. (MESE4)   

Toothed Latticevein Fern: A Delicate Native Beauty for Wet Gardens Looking for a graceful fern to fill those perpetually soggy spots in your garden? Meet the toothed latticevein fern (Thelypteris serrata), a charming native species that actually thrives where other plants fear to tread. With its delicate, serrated fronds and ...

Toothed Latticevein Fern: A Delicate Native Beauty for Wet Gardens

Looking for a graceful fern to fill those perpetually soggy spots in your garden? Meet the toothed latticevein fern (Thelypteris serrata), a charming native species that actually thrives where other plants fear to tread. With its delicate, serrated fronds and love for wet feet, this perennial fern might just be the perfect solution for your challenging waterlogged areas.

What Makes This Fern Special?

The toothed latticevein fern gets its common name from the distinctively serrated (toothed) edges of its fronds, which create an elegant, lacy appearance that adds wonderful texture to shade gardens. As a native species, it’s perfectly adapted to local conditions and supports the broader ecosystem in ways that non-native plants simply cannot match.

This perennial fern is classified as a forb, meaning it’s a vascular plant without significant woody tissue. Don’t let that technical description fool you though – this is simply a lovely, herbaceous plant that comes back year after year to grace your garden with its presence.

Where Does It Call Home?

The toothed latticevein fern is native to a surprisingly small range, naturally occurring only in Florida and Puerto Rico. If you’re gardening in these areas, you’re in luck – you can grow a truly local native that evolved right in your backyard!

The Wet Garden Wonder

Here’s where this fern really shines: it loves water. In the Atlantic and Gulf Coastal Plain region, it’s classified as a facultative wetland plant, meaning it usually grows in wetlands but can tolerate some drier conditions. In the Caribbean region, it’s considered an obligate wetland plant, which means it almost always needs those consistently moist conditions to thrive.

This wetland preference makes the toothed latticevein fern perfect for:

  • Rain gardens and bioswales
  • Bog gardens
  • Areas around ponds or water features
  • Naturally wet spots where other plants struggle
  • Woodland gardens with consistent moisture

Growing Your Toothed Latticevein Fern

Success with this fern is all about understanding its preferences. Think of it as nature’s way of saying, I’ll make your wet, shady spots beautiful!

USDA Hardiness Zones: This warm-climate native thrives in zones 9-11, perfectly matching its natural range in Florida and Puerto Rico.

Light Requirements: Partial to full shade is ideal. Like most ferns, it appreciates protection from harsh direct sunlight.

Soil Needs: Consistently moist to wet soil is essential. This isn’t the fern for well-drained locations – it wants its feet wet!

Humidity: High humidity levels will keep your fern happiest, making it perfect for those naturally muggy spots in the garden.

Planting and Care Tips

Getting your toothed latticevein fern established is relatively straightforward:

  • Plant in spring when temperatures are warming up
  • Choose a location that stays consistently moist
  • Add organic matter like compost to enrich the soil
  • Mulch around the base to help retain moisture
  • Water regularly, especially during establishment
  • Remove any dead or damaged fronds as needed

The Wildlife Connection

While ferns don’t produce flowers to attract pollinators, they still play important ecological roles. Native ferns like this one provide habitat and food sources for various insects and small creatures, contributing to the complex web of life in natural ecosystems.

Is This Fern Right for Your Garden?

The toothed latticevein fern is an excellent choice if you:

  • Garden in Florida or Puerto Rico
  • Have consistently wet or boggy areas
  • Want to support native plant communities
  • Appreciate delicate, textural plants
  • Need something for deep shade with wet soil

However, this might not be the best choice if you have dry soils or live outside its natural hardiness range. Remember, working with your local conditions rather than against them is always the key to successful gardening!

A Final Thought

The toothed latticevein fern proves that sometimes the most specialized plants can be the perfect solution for challenging garden spots. By embracing this wetland native, you’re not just solving a gardening problem – you’re connecting your landscape to the natural heritage of your region. And really, isn’t that what native gardening is all about?

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

Atlantic and Gulf Coastal Plain

FACW

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

Caribbean

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Toothed Latticevein Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Thelypteridaceae Ching ex Pic. Serm. - Marsh Fern family

Genus

Thelypteris Schmidel - maiden fern

Species

Thelypteris serrata (Cav.) Alston - toothed latticevein fern

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