North America Native Plant

Bristle Nailwort

Botanical name: Paronychia setacea var. setacea

USDA symbol: PASES3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Bristle Nailwort: A Tiny Texas Native Worth Getting to Know If you’re passionate about native Texas plants, you might want to learn about bristle nailwort (Paronychia setacea var. setacea), a small but ecologically important annual that calls the Lone Star State home. While this little forb might not win any ...

Rare plant alert!

Region: Conservation status by state

Status: S3TUQ: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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 ⚘

Bristle Nailwort: A Tiny Texas Native Worth Getting to Know

If you’re passionate about native Texas plants, you might want to learn about bristle nailwort (Paronychia setacea var. setacea), a small but ecologically important annual that calls the Lone Star State home. While this little forb might not win any beauty contests, it plays a valuable role in Texas’s natural landscapes and could be a meaningful addition to your native plant garden.

What Is Bristle Nailwort?

Bristle nailwort is a native Texas annual forb that belongs to the carnation family. As a forb, it’s an herbaceous plant without woody tissue, meaning it dies back completely each year and regrows from seed. Don’t expect a towering specimen – this is a low-growing, mat-forming plant that hugs the ground and produces tiny, inconspicuous white or greenish flowers.

Where Does It Grow Naturally?

This special little plant is endemic to Texas, meaning you won’t find it growing wild anywhere else in the world. It’s particularly fond of the sandy soils found in East Texas, where it thrives in disturbed areas and open spaces.

A Word of Caution About Rarity

Before you get too excited about adding bristle nailwort to your garden, there’s something important to know: this plant has a Global Conservation Status of S3TUQ, which indicates some level of conservation concern. If you’re interested in growing bristle nailwort, it’s crucial to source your seeds or plants from reputable native plant nurseries that collect responsibly and don’t impact wild populations.

Should You Grow Bristle Nailwort?

Bristle nailwort isn’t for every garden or every gardener. Here’s what to consider:

Reasons to grow it:

  • You’re creating a authentic Texas native plant garden
  • You want to support local ecosystems and biodiversity
  • You appreciate subtle, naturalistic plantings over showy displays
  • You’re working with sandy, well-drained soils where it naturally thrives
  • You enjoy the satisfaction of growing rare or unusual native plants

Reasons it might not be right for you:

  • You’re looking for dramatic visual impact or colorful flowers
  • You prefer low-maintenance perennials over annuals that need reseeding
  • You don’t have access to responsibly sourced seeds or plants
  • Your soil conditions don’t match its natural sandy habitat preferences

Growing Bristle Nailwort Successfully

If you decide to give bristle nailwort a try, here’s what you need to know:

Ideal Growing Conditions:

  • Soil: Sandy, well-drained soil that mimics its natural East Texas habitat
  • Sun: Full sun exposure
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Best suited for USDA hardiness zones 8-9

Planting and Care Tips:

  • Direct seed in fall for spring germination
  • Scatter seeds lightly over prepared soil and barely cover
  • Water gently until germination occurs
  • Once established, minimal care is required
  • Allow plants to self-seed for future generations
  • Avoid fertilizing, as rich soils may not suit this species

The Bottom Line

Bristle nailwort is a plant for the true native plant enthusiast who values ecological authenticity over garden glamour. While it may be small and unassuming, it represents the incredible diversity of Texas’s native flora. If you choose to grow it, remember to source your plants responsibly and consider it a meaningful contribution to preserving Texas’s botanical heritage. Just don’t expect your neighbors to stop and ask what that gorgeous plant is – bristle nailwort’s beauty lies in its ecological significance rather than its visual drama.

Bristle Nailwort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Paronychia Mill. - nailwort

Species

Paronychia setacea Torr. & A. Gray - bristle nailwort

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