North America Native Plant

Wedgescale

Botanical name: Sphenopholis ×pallens

USDA symbol: SPPA7

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Wedgescale: A Native Grass for Specialized Gardens If you’re on the hunt for native grasses that fly under the radar, wedgescale (Sphenopholis ×pallens) might just catch your attention. This perennial grass species represents one of nature’s interesting botanical collaborations—it’s actually a hybrid, as indicated by the × in its scientific ...

Wedgescale: A Native Grass for Specialized Gardens

If you’re on the hunt for native grasses that fly under the radar, wedgescale (Sphenopholis ×pallens) might just catch your attention. This perennial grass species represents one of nature’s interesting botanical collaborations—it’s actually a hybrid, as indicated by the × in its scientific name. While it may not be the showiest addition to your garden, this native grass has its own quiet charm and ecological value.

Where You’ll Find Wedgescale Growing Wild

Wedgescale is a true native to the lower 48 states, naturally occurring across a surprisingly wide range. You can find this grass growing wild from Maine down to Louisiana, and from the Atlantic coast west to Ohio and Tennessee. Its distribution includes Louisiana, Maine, Mississippi, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, and Virginia.

What Makes Wedgescale Special

As a member of the grass family, wedgescale brings that gentle, swaying texture that makes native grass gardens so appealing. Being a hybrid species, it represents an interesting piece of botanical diversity—a natural cross between parent species that has established itself across multiple regions.

This perennial grass fits into the broader category of graminoids (grass and grass-like plants), which includes not just true grasses but also sedges, rushes, and related plants. While wedgescale may not be the star of the show, it plays a supporting role in the complex tapestry of native plant communities.

Growing Conditions and Habitat Preferences

One of wedgescale’s most interesting characteristics is its relationship with water. This grass shows different preferences depending on where you are:

  • Atlantic and Gulf Coastal Plain: Usually found in wetlands but can tolerate drier conditions
  • Eastern Mountains and Piedmont: Equally comfortable in wet or dry locations
  • Midwest: Adaptable to both wetland and upland sites
  • Northeast and North-central regions: Similarly flexible with moisture conditions

This adaptability makes wedgescale potentially useful for gardeners dealing with variable moisture conditions or those creating rain gardens and naturalized landscapes.

Should You Plant Wedgescale?

Here’s where things get a bit tricky. While wedgescale is undoubtedly a native species with ecological value, it’s not commonly available in the horticultural trade. As a hybrid grass species, detailed growing information and cultivated varieties are quite limited compared to more popular native grasses.

Consider wedgescale if you:

  • Are creating a specialized native plant collection
  • Want to support lesser-known native species
  • Are working on habitat restoration projects
  • Have variable moisture conditions in your landscape

You might want to look elsewhere if you:

  • Need readily available plants from nurseries
  • Want a grass with well-documented garden performance
  • Are looking for dramatic ornamental impact
  • Prefer plants with extensive cultivation information

Alternative Native Grasses to Consider

If wedgescale proves too elusive for your garden plans, consider these more readily available native alternatives that offer similar ecological benefits:

  • Little bluestem (Schizachyrium scoparium) – excellent for dry to medium soils
  • Buffalo grass (Poaceae species) – great for naturalized areas
  • Native sedges (Carex species) – perfect for wet to moist conditions
  • Switchgrass (Panicum virgatum) – adaptable and widely available

The Bottom Line on Wedgescale

Wedgescale represents the fascinating world of native plant diversity that exists beyond the typical garden center offerings. While it may not be the easiest native grass to source or grow, it serves as a reminder that our native flora includes countless species working quietly behind the scenes to support local ecosystems.

If you do manage to find wedgescale for your garden, you’ll be adding a piece of authentic regional flora that has adapted to a wide range of conditions across the eastern United States. Just don’t expect it to become the centerpiece of your landscape design—sometimes the best native plants are the ones that know how to blend in rather than stand out.

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

Eastern Mountains and Piedmont

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

Wedgescale

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Sphenopholis Scribn. - wedgescale

Species

Sphenopholis ×pallens (Biehler) Scribn. (pro sp.) [obtusata × pensylvanica] - wedgescale

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