North America Native Plant

Cutthroat Grass

Botanical name: Panicum abscissum

USDA symbol: PAAB

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Coleataenia abscissa (Swallen) LeBlond (COAB)   

Cutthroat Grass: A Rare Florida Native Worth Protecting in Your Garden If you’re passionate about Florida native plants and conservation gardening, you might want to learn about cutthroat grass (Panicum abscissum). This delicate perennial grass is one of Florida’s lesser-known botanical treasures, and while it’s not the showiest plant in ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Cutthroat Grass: A Rare Florida Native Worth Protecting in Your Garden

If you’re passionate about Florida native plants and conservation gardening, you might want to learn about cutthroat grass (Panicum abscissum). This delicate perennial grass is one of Florida’s lesser-known botanical treasures, and while it’s not the showiest plant in the native plant world, it plays an important role in the state’s natural ecosystems.

What Makes Cutthroat Grass Special?

Cutthroat grass is a fine-textured native grass that belongs to the panic grass family. You might also see it listed under its scientific synonym, Coleataenia abscissa, in some older botanical references. As a perennial graminoid, this grass returns year after year, slowly building its presence in the landscape.

What makes this grass particularly noteworthy is its rarity. Cutthroat grass has a Global Conservation Status of S3, meaning it’s considered vulnerable throughout its range. With typically only 21 to 100 occurrences and between 3,000 and 10,000 individuals remaining, this species is at risk and deserves our conservation attention.

Where Does Cutthroat Grass Grow?

This grass is a true Florida endemic, found only within the Sunshine State’s borders. Its limited geographic distribution makes it even more precious to the state’s natural heritage and emphasizes why responsible cultivation matters.

Why Consider Growing Cutthroat Grass?

While cutthroat grass might not have the flashy flowers of other native plants, it offers several compelling reasons for inclusion in the right garden:

  • Conservation impact: Growing this rare species helps support biodiversity and potentially provides genetic backup for wild populations
  • Authentic Florida landscaping: Few plants are more Florida than this endemic grass
  • Low maintenance: Once established, native grasses typically require minimal care
  • Wildlife support: Native grasses provide important habitat and food sources for local wildlife
  • Erosion control: The root systems of native grasses help stabilize soil

Where Does It Fit in Your Landscape?

Cutthroat grass works best in naturalistic gardens and restoration projects rather than formal landscapes. Consider it for:

  • Native plant gardens focused on Florida flora
  • Conservation or restoration plantings
  • Naturalistic meadow areas
  • Understory plantings beneath native trees

Growing Conditions and Care

As a Florida native, cutthroat grass is adapted to the state’s climate and is suitable for USDA hardiness zones 9-11. Like many native grasses, it likely prefers:

  • Well-draining sandy soils typical of Florida
  • Partial shade to full sun exposure
  • Natural rainfall patterns once established
  • Minimal fertilization (native plants often prefer lean soils)

Important Considerations Before Planting

Source responsibly! Because cutthroat grass is rare and vulnerable, it’s crucial to only obtain plants or seeds from reputable native plant nurseries that use ethical collection practices. Never collect from wild populations, and always verify that any plant material comes from legal, sustainable sources.

Due to limited availability and specific growing requirements, this grass is best suited for dedicated native plant enthusiasts rather than casual gardeners. If you can’t locate cutthroat grass from responsible sources, consider other Florida native grasses like wiregrass (Aristida stricta) or little bluestem (Schizachyrium scoparium) that can provide similar ecological benefits.

The Bottom Line

Cutthroat grass represents both an opportunity and a responsibility. For Florida gardeners passionate about conservation and native plant preservation, growing this rare species can be deeply rewarding. However, its vulnerable status means we must approach cultivation thoughtfully, always prioritizing responsible sourcing and the protection of wild populations.

While it may not be the right choice for every garden, cutthroat grass offers dedicated native plant gardeners a chance to participate in conservation while creating authentic Florida landscapes that support local ecosystems.

Cutthroat Grass

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

Panicum L. - panicgrass

Species

Panicum abscissum Swallen - cutthroat grass

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