North America Native Plant

Bristle Nailwort

Botanical name: Paronychia setacea

USDA symbol: PASE2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Bristle Nailwort: A Rare Texas Native Worth Knowing If you’re passionate about native Texas plants, you might want to get acquainted with bristle nailwort (Paronychia setacea), a charming little annual that’s quietly making its home in the Lone Star State. This humble member of the pink family might not win ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 Rare Texas Native Worth Knowing

If you’re passionate about native Texas plants, you might want to get acquainted with bristle nailwort (Paronychia setacea), a charming little annual that’s quietly making its home in the Lone Star State. This humble member of the pink family might not win any flashy flower contests, but it’s got plenty of character and an important conservation story to tell.

What Is Bristle Nailwort?

Bristle nailwort is a native annual forb that stays close to the ground, creating subtle carpets of tiny clustered flowers and narrow leaves. As a forb, it’s an herbaceous plant without woody stems, completing its entire life cycle within a single growing season. Don’t expect towering heights—this little charmer keeps things low-key and close to earth level.

Where Does It Call Home?

This special plant is a true Texan, found exclusively within the state’s borders. Bristle nailwort has chosen the sandy soils of East Texas as its preferred neighborhood, making it what botanists call an endemic species—meaning it naturally occurs nowhere else in the world.

A Word About Rarity

Here’s where things get important: bristle nailwort carries a Global Conservation Status of S2S3, which puts it in the rare to uncommon category. This means that while it’s not on the brink of extinction, it’s definitely not something you’ll stumble across on every nature walk. If you’re considering adding this plant to your garden, please ensure you’re sourcing it responsibly from reputable native plant nurseries or seed suppliers who practice ethical collection methods.

Why Grow Bristle Nailwort?

You might wonder why you’d want to grow such a subtle plant, but bristle nailwort offers several compelling reasons:

  • It’s a piece of Texas’s natural heritage that deserves preservation
  • Perfect for native plant enthusiasts seeking truly local species
  • Excellent choice for naturalized areas and native groundcover
  • Requires minimal maintenance once established
  • Supports local ecosystems and may provide resources for small native pollinators

Garden Design and Landscape Use

Bristle nailwort works beautifully in several garden settings:

  • Native plant gardens focusing on Texas species
  • Xeriscapes and drought-tolerant landscapes
  • Naturalized areas where you want authentic local flora
  • Rock gardens with sandy, well-draining soil
  • Conservation gardens dedicated to preserving rare natives

Growing Conditions and Care

Like many Texas natives, bristle nailwort appreciates conditions that mimic its natural habitat:

  • Soil: Well-draining, sandy soils preferred
  • Water: Drought tolerant once established; avoid overwatering
  • Sun: Likely prefers full sun to partial sun conditions
  • Hardiness: Best suited for USDA zones 8-9
  • Maintenance: Low maintenance; allow to self-seed for future generations

Planting and Propagation Tips

Since bristle nailwort is an annual, it completes its life cycle in one year, so planning for succession is key:

  • Start from seed when possible, sourced responsibly
  • Plant in areas with good drainage to prevent root rot
  • Allow plants to go to seed for natural regeneration
  • Consider collecting seeds (if legally and ethically sourced) for future plantings
  • Be patient—rare natives may take time to establish

Supporting Conservation

By choosing to grow bristle nailwort, you’re participating in conservation right in your backyard. This rare Texas endemic needs gardeners who understand its value and are committed to growing it responsibly. Always purchase from reputable sources, never collect from wild populations, and consider sharing seeds with other conservation-minded gardeners to help expand its presence in cultivation.

While bristle nailwort might not be the showiest plant in your garden, it represents something precious—a piece of Texas’s unique botanical heritage that deserves our care and attention. In a world where native habitats face increasing pressure, every garden that welcomes rare natives like bristle nailwort becomes a small sanctuary for biodiversity.

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