North America Native Plant

Lance Asplenium

Botanical name: Asplenium rutamuraria var. lanceolum

USDA symbol: ASRUL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Asplenium cryptolepis Fernald var. ohionis (ASCRO)  âš˜  Asplenium ruta-muraria L. var. ohionis (Fernald) Wherry (ASRUO)  âš˜  Asplenium ruta-muraria L. var. subtenuifolium auct. non Christ (ASRUS2)   

Lance Asplenium: A Delicate Native Fern for Rock Gardens If you’re looking for a charming native fern that thrives in the most unlikely places, meet the lance asplenium (Asplenium rutamuraria var. lanceolum). This petite perennial might just be the perfect addition to your rock garden or that tricky shady spot ...

Lance Asplenium: A Delicate Native Fern for Rock Gardens

If you’re looking for a charming native fern that thrives in the most unlikely places, meet the lance asplenium (Asplenium rutamuraria var. lanceolum). This petite perennial might just be the perfect addition to your rock garden or that tricky shady spot where other plants struggle to survive.

What Makes Lance Asplenium Special?

Lance asplenium is a true native treasure, naturally occurring across several states in the eastern United States. This delicate fern has earned its place in the hearts of native plant enthusiasts with its intricate, lacy fronds that seem to emerge from the smallest rock crevices like nature’s own artwork.

Where You’ll Find It Growing Wild

This charming fern calls the following states home:

  • Indiana
  • Kentucky
  • Maryland
  • Ohio
  • Pennsylvania
  • Tennessee
  • Virginia
  • West Virginia

Why Consider Lance Asplenium for Your Garden?

There are several compelling reasons to welcome this native fern into your landscape:

  • Native credentials: Supporting local ecosystems by choosing native plants
  • Unique texture: Adds delicate, finely-divided foliage to contrast with broader-leaved plants
  • Rock garden specialist: Thrives in challenging rocky conditions where other plants fail
  • Low maintenance: Once established, requires minimal care
  • Perennial reliability: Returns year after year

Perfect Garden Settings

Lance asplenium shines in specific garden situations:

  • Rock gardens and alpine plantings
  • Shade gardens with good drainage
  • Woodland edges and naturalistic landscapes
  • Stone walls and retaining walls with crevices
  • Areas with limestone or alkaline soil conditions

Growing Conditions and Care

Success with lance asplenium comes down to understanding its preferences:

Light: Partial to full shade – this fern appreciates protection from harsh sun

Soil: Well-draining soil is absolutely critical. It naturally grows in rocky crevices, so drainage trumps fertility every time

Hardiness: Suitable for USDA zones 4-8, making it adaptable to various climates within its native range

Special considerations: Adding limestone chips or growing it near limestone features can help recreate its preferred natural conditions

Planting and Establishment Tips

Getting lance asplenium established requires a thoughtful approach:

  • Choose a location with excellent drainage – soggy soil is its enemy
  • Plant in spring or early fall when temperatures are moderate
  • Consider adding coarse sand or small gravel to improve drainage
  • Water sparingly once established – this fern prefers to stay on the dry side
  • Be patient – like many native ferns, it may take time to establish and spread

Wildlife and Ecosystem Benefits

While lance asplenium doesn’t provide nectar for pollinators like flowering plants do, it contributes to the garden ecosystem in other valuable ways. As a native fern, it provides shelter for small creatures and adds to the biodiversity that makes healthy garden ecosystems thrive.

Is Lance Asplenium Right for Your Garden?

This native fern is an excellent choice if you have the right conditions – particularly if you’re working with a challenging rocky or well-drained shady spot. However, it’s not the best choice for gardeners seeking fast-growing, high-impact plants or those with consistently moist soil conditions.

For native plant enthusiasts and rock garden lovers, lance asplenium offers the satisfaction of growing a specialized native species while adding unique texture and character to the landscape. Just remember: drainage is key, patience is essential, and the reward is a truly distinctive native fern that connects your garden to the natural heritage of eastern North America.

Lance Asplenium

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Aspleniaceae Newman - Spleenwort family

Genus

Asplenium L. - spleenwort

Species

Asplenium ruta-muraria L. - wallrue

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