North America Native Plant

Yerba De Estrella

Botanical name: Rhynchospora ciliata

USDA symbol: RHCI2

Life cycle: perennial

Habit: grass

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Dichromena ciliata Vahl (DICI4)  âš˜  Rhynchospora nervosa (Vahl) Boeckeler ssp. ciliata (Vahl) T. Koyama (RHNEC)   

Yerba de Estrella: A Hidden Caribbean Native for Your Garden If you’re gardening in the tropical paradise of Puerto Rico or the U.S. Virgin Islands, you might want to get acquainted with a humble but important native plant called yerba de estrella (Rhynchospora ciliata). This unassuming sedge may not win ...

Yerba de Estrella: A Hidden Caribbean Native for Your Garden

If you’re gardening in the tropical paradise of Puerto Rico or the U.S. Virgin Islands, you might want to get acquainted with a humble but important native plant called yerba de estrella (Rhynchospora ciliata). This unassuming sedge may not win any beauty contests, but it’s got some serious credentials as a true Caribbean native that deserves a spot in the right garden.

What Exactly Is Yerba de Estrella?

Yerba de estrella is a perennial sedge that belongs to the grass-like family of plants. Don’t let the grass-like description fool you into thinking it’s just another lawn substitute – sedges are actually quite different from true grasses and play unique roles in their ecosystems. This particular species is a true local, being native exclusively to Puerto Rico and the U.S. Virgin Islands.

You might also encounter this plant under its scientific synonyms, including Dichromena ciliata, so don’t be confused if you see different names floating around in botanical references.

Where You’ll Find It Growing Wild

This Caribbean native has a pretty exclusive zip code – you’ll only find yerba de estrella naturally occurring in Puerto Rico and the U.S. Virgin Islands. It’s what we call an endemic species, meaning it evolved in this specific region and calls nowhere else home.

Should You Plant Yerba de Estrella in Your Garden?

Here’s the thing about yerba de estrella – it’s not going to be the showstopper in your landscape design. This sedge is more about function than flash, with small, inconspicuous flower clusters and narrow, grass-like foliage. But if you’re creating a native garden, working on habitat restoration, or trying to support local ecosystems, this little plant can be a valuable team player.

The best candidates for growing yerba de estrella are gardeners who:

  • Live in Puerto Rico or the U.S. Virgin Islands
  • Want to support native plant communities
  • Are working on wetland or naturalized area restoration
  • Prefer low-maintenance, regionally appropriate plants
  • Are creating wildlife habitat gardens

Growing Conditions and Care

Like many sedges, yerba de estrella likely appreciates consistently moist conditions and can probably handle both full sun and partial shade situations. Being a tropical native, it’s naturally suited to the warm, humid conditions of USDA hardiness zones 10-11.

Since specific cultivation information for this species is limited, your best bet is to mimic its natural habitat preferences:

  • Provide consistently moist to wet soil conditions
  • Ensure good drainage to prevent stagnant water
  • Plant in full sun to partial shade locations
  • Use organic mulch to retain soil moisture

The Reality Check

Let’s be honest – yerba de estrella isn’t the easiest plant to find at your local garden center, and detailed growing guides are pretty scarce. This is one of those plants that’s more likely to be of interest to serious native plant enthusiasts, restoration professionals, or gardeners specifically focused on supporting Caribbean endemic species.

If you’re determined to grow this native sedge, you’ll probably need to connect with local native plant societies, botanical gardens, or specialized nurseries that focus on Caribbean native species. The limited availability actually makes sense when you consider its restricted natural range.

The Bottom Line

Yerba de estrella represents something special – a plant that exists nowhere else on Earth except in the beautiful Caribbean islands of Puerto Rico and the U.S. Virgin Islands. While it may not have the flashy flowers or dramatic foliage that make garden center bestsellers, it offers something more valuable: a direct connection to the unique natural heritage of its native islands.

If you’re gardening in its native range and have the opportunity to include this local endemic in your landscape, you’ll be supporting biodiversity and celebrating the plants that make your region ecologically unique. Just be prepared for a bit of a treasure hunt to actually find plants or seeds, and remember that sometimes the most important garden residents are the quiet, unassuming ones that keep the local ecosystem humming along.

Yerba De Estrella

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

Cyperaceae Juss. - Sedge family

Genus

Rhynchospora Vahl - beaksedge

Species

Rhynchospora ciliata (G. Mey.) Kük. - yerba de estrella

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