North America Native Plant

Sparselobe Grapefern

Botanical name: Botrychium biternatum

USDA symbol: BOBI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Botrychium dissectum Spreng. var. tenuifolium (Underw.) Farw. (BODIT2)  âš˜  Sceptridium biternatum (Savigny) Lyon (SCBI5)   

Sparselobe Grapefern: A Delicate Native Fern for Woodland Gardens Meet the sparselobe grapefern (Botrychium biternatum), a charming little native fern that’s quite different from your typical garden ferns. This perennial beauty has a unique personality – it’s got character, but it’s also a bit of a prima donna when it ...

Sparselobe Grapefern: A Delicate Native Fern for Woodland Gardens

Meet the sparselobe grapefern (Botrychium biternatum), a charming little native fern that’s quite different from your typical garden ferns. This perennial beauty has a unique personality – it’s got character, but it’s also a bit of a prima donna when it comes to growing conditions.

What Makes Sparselobe Grapefern Special

Don’t let the name fool you – this isn’t actually related to grapes at all! The grapefern moniker comes from the cluster of spore-bearing structures that somewhat resemble tiny grape bunches. The sparselobe grapefern stands out with its distinctive two-part structure: a triangular sterile frond that looks like a tiny green hand, and a separate fertile spike that shoots up to release spores.

You might also see this plant listed under its synonyms Botrychium dissectum var. tenuifolium or Sceptridium biternatum in older gardening references, but they’re all the same delightful little fern.

Where You’ll Find This Native Gem

Sparselobe grapefern is a true American native, calling the lower 48 states home. You can find it naturally growing across a impressive range including Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and West Virginia.

The Good, The Bad, and The Beautiful

Why you might want to grow it:

  • It’s a native plant that supports local ecosystems
  • Unique, delicate appearance adds subtle interest to shade gardens
  • Perfect for naturalistic woodland settings
  • Thrives in USDA hardiness zones 3-9
  • Works well in both wetland and upland conditions (it’s quite adaptable!)

Why you might want to think twice:

  • Extremely difficult to establish from cultivation
  • Small size (usually under 12 inches) makes it easy to overlook
  • Can go dormant for years and suddenly reappear
  • Not readily available in most nurseries

Creating the Perfect Home

If you’re determined to give sparselobe grapefern a try, here’s what it’s looking for:

Light: Partial to full shade – this little one prefers life under the canopy

Soil: Moist to moderately dry conditions work well. The plant is quite flexible about moisture levels, which is why it has a Facultative wetland status across all regions – it’s equally happy in wet spots and drier woodland floors.

pH: Slightly acidic to neutral soils are ideal

Companions: Plant it alongside other native woodland species like wild ginger, trilliums, and native sedges

The Reality Check

Here’s the honest truth: sparselobe grapefern is more of a appreciate it if you stumble across it plant than a go out and plant it species. These ferns have complex relationships with soil fungi that make them nearly impossible to successfully transplant or establish from spores in home gardens.

If you’re lucky enough to have this native fern already growing on your property, consider yourself blessed! The best thing you can do is leave it undisturbed and create favorable conditions around it by maintaining natural leaf litter and avoiding soil compaction.

Wildlife and Ecosystem Benefits

While sparselobe grapefern won’t attract butterflies like flowering plants do (remember, ferns don’t have flowers!), it still plays important ecological roles. The plant provides habitat for small woodland creatures and contributes to the complex web of native plant communities that support local wildlife.

The Bottom Line

Sparselobe grapefern is one of those special native plants that’s better appreciated than cultivated. If you encounter it in the wild or discover it growing naturally in your woodland garden, count yourself fortunate. For those wanting to add native ferns to their landscape, consider more garden-friendly options like Christmas fern or lady fern, which offer similar woodland charm with much better cultivation success rates.

Sometimes the most precious plants are the ones we simply get to admire rather than grow ourselves – and that’s perfectly okay!

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

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Eastern Mountains and Piedmont

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Midwest

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Northcentral & Northeast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Sparselobe Grapefern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Ophioglossales

Family

Ophioglossaceae Martinov - Adder's-tongue family

Genus

Botrychium Sw. - grapefern

Species

Botrychium biternatum (Sav.) Underw. - sparselobe grapefern

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