North America Non-native Plant

Caribbean Fingergrass

Botanical name: Eustachys paspaloides

USDA symbol: EUPA27

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Caribbean Fingergrass: A Tropical Grass for Warm Climate Gardens If you’re looking for a low-maintenance grass that can handle tough growing conditions, Caribbean fingergrass (Eustachys paspaloides) might catch your attention. This perennial graminoid brings a touch of tropical flair to southern landscapes, though it comes with some important considerations for ...

Caribbean Fingergrass: A Tropical Grass for Warm Climate Gardens

If you’re looking for a low-maintenance grass that can handle tough growing conditions, Caribbean fingergrass (Eustachys paspaloides) might catch your attention. This perennial graminoid brings a touch of tropical flair to southern landscapes, though it comes with some important considerations for conscientious gardeners.

What is Caribbean Fingergrass?

Caribbean fingergrass is a perennial grass native to the Caribbean and tropical Americas. As a non-native species that has been introduced to the United States, it now grows wild in Georgia, Louisiana, Mississippi, and Texas, where it reproduces spontaneously without human assistance.

This fine-textured grass forms dense, low-growing mats and produces delicate seed heads that add subtle movement to the landscape. While it may not be the showiest plant in your garden, it serves practical purposes in challenging growing conditions.

Garden Role and Landscape Uses

Caribbean fingergrass works best as a utilitarian ground cover rather than an ornamental focal point. Here’s where it shines:

  • Erosion control on slopes and banks
  • Coastal gardens where salt tolerance is crucial
  • Naturalized areas that need low-maintenance coverage
  • Xeriscapes and drought-tolerant landscapes

This grass typically stays relatively low to the ground, making it suitable for areas where you need coverage without height. Its dense growth habit helps stabilize soil and suppress weeds once established.

Growing Conditions and Care

One of Caribbean fingergrass’s biggest selling points is its adaptability to challenging conditions. It thrives in USDA hardiness zones 8b through 11, making it suitable for warm, southern climates.

Preferred growing conditions include:

  • Full sun exposure
  • Well-draining soils (adapts to various soil types)
  • Salt-tolerant for coastal locations
  • Drought-tolerant once established

Care requirements are refreshingly minimal. Water regularly during establishment, then reduce watering as the grass becomes drought-tolerant. Cut back in late winter to encourage fresh growth. Be aware that this grass may self-seed readily, so monitor its spread if you prefer contained plantings.

Wildlife and Pollinator Value

As a wind-pollinated grass, Caribbean fingergrass doesn’t offer significant direct benefits to pollinators like bees and butterflies. However, grasses do provide habitat and nesting materials for various wildlife species, though specific wildlife benefits for this species aren’t well-documented.

Should You Plant Caribbean Fingergrass?

The decision to plant Caribbean fingergrass depends on your specific needs and gardening philosophy. While it’s an effective problem-solver for difficult sites, consider these factors:

Reasons you might choose it:

  • Need ground cover for challenging coastal or dry conditions
  • Want extremely low-maintenance landscaping
  • Require erosion control on slopes

Reasons to consider alternatives:

  • Preference for native plant gardening
  • Desire for higher wildlife value
  • Concern about non-native species spread

Native Alternatives to Consider

If you’re interested in supporting native ecosystems, consider these native grass alternatives that offer similar benefits:

  • Seashore paspalum (Paspalum vaginatum) for coastal areas
  • Buffalograss (Poaceae dactyloides) for drought tolerance
  • Purple lovegrass (Eragrostis spectabilis) for ornamental value
  • Regional native sedges for ground cover

Caribbean fingergrass can serve a purpose in the right situation, but exploring native options first often provides better long-term benefits for both your garden and local wildlife. Whatever you choose, make sure it matches your garden’s conditions and your personal gardening goals.

Caribbean Fingergrass

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

Eustachys Desv. - fingergrass

Species

Eustachys paspaloides (Vahl) Lanza & Mattei - Caribbean fingergrass

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