North America Native Plant

Rugel’s Nailwort

Botanical name: Paronychia rugelii var. rugelii

USDA symbol: PARUR

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gibbesia rugelii (Chapm.) Small (GIRU2)  âš˜  Siphonychia rugellii Chapm. (SIRU5)   

Rugel’s Nailwort: A Rare Native Gem for Specialized Gardens Meet Rugel’s nailwort (Paronychia rugelii var. rugelii), a charming little native annual that’s flying under the radar in most gardening circles. This diminutive forb might not win any beauty contests, but it’s got character – and more importantly, it’s a piece ...

Rare plant alert!

Region: Conservation status by state

Status: S2?T2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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) ⚘ Subspecies or variety is 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) ⚘

Rugel’s Nailwort: A Rare Native Gem for Specialized Gardens

Meet Rugel’s nailwort (Paronychia rugelii var. rugelii), a charming little native annual that’s flying under the radar in most gardening circles. This diminutive forb might not win any beauty contests, but it’s got character – and more importantly, it’s a piece of our natural heritage that deserves a closer look.

What Makes Rugel’s Nailwort Special?

This unassuming plant is a true southeastern native, calling Florida and Georgia home. As an annual forb, Rugel’s nailwort completes its entire life cycle in a single growing season, making it a perfect example of nature’s efficiency. Don’t let its small stature fool you – this little plant packs a lot of ecological value into its compact form.

Where You’ll Find It Growing Wild

Rugel’s nailwort has a pretty exclusive address – you’ll only find it naturally occurring in Florida and Georgia. This limited range makes it a true regional specialty, adapted specifically to the unique conditions of the southeastern coastal plain.

A Plant Worth Protecting

Here’s where things get serious: Rugel’s nailwort carries a conservation status that should make us all pay attention. With a Global Conservation Status of S2?T2?, this plant is considered potentially at risk. While the question marks in that rating indicate some uncertainty about its exact status, it’s clear that this isn’t a common plant you’ll stumble across everywhere.

If you’re interested in growing Rugel’s nailwort, please only source it from reputable native plant nurseries that propagate their own stock. Never collect seeds or plants from wild populations – these rare beauties need all the help they can get in their natural habitats.

What Does It Look Like?

Rugel’s nailwort won’t overwhelm you with flashy blooms, but it has its own subtle charm:

  • Low-growing, mat-forming habit that hugs the ground
  • Small, silvery-green leaves that catch the light beautifully
  • Tiny white flowers that appear almost like delicate specks
  • Overall height rarely exceeds a few inches

Perfect Garden Situations

This isn’t your typical border perennial, but Rugel’s nailwort can shine in the right setting:

  • Native plant gardens: Perfect for collectors of rare southeastern natives
  • Rock gardens: Its low profile works beautifully among stones
  • Xerophytic gardens: Great for drought-tolerant plantings
  • Educational gardens: Excellent for teaching about plant conservation

Growing Rugel’s Nailwort Successfully

The good news? Once you get your hands on ethically sourced seeds or plants, Rugel’s nailwort isn’t particularly fussy. Here’s what it needs to thrive:

Climate: Best suited for USDA hardiness zones 8-10, matching its natural southeastern range.

Soil: Well-draining sandy soils are ideal – think about its native habitat along the coastal plains. Heavy, clay soils are a no-go.

Sun exposure: Full sun to partial shade works well, though it tends to be happiest with morning sun and some afternoon protection in hotter climates.

Water: Drought-tolerant once established, but appreciates some moisture during germination and early growth. Avoid overwatering at all costs.

Planting and Care Tips

  • Direct seed in fall for spring germination
  • Barely cover seeds – they need light to germinate
  • Keep soil lightly moist until seedlings establish
  • Once established, step back and let nature take its course
  • Allow plants to self-seed for natural colonies
  • No fertilization needed – it’s adapted to lean soils

Wildlife and Pollinator Value

While Rugel’s nailwort may not be a pollinator powerhouse like some showier natives, its small flowers can attract tiny beneficial insects. More importantly, as part of the native plant community, it contributes to the overall ecosystem health that supports local wildlife.

Should You Grow Rugel’s Nailwort?

This plant isn’t for everyone – and that’s okay! Consider growing Rugel’s nailwort if you’re:

  • A dedicated native plant enthusiast
  • Interested in plant conservation
  • Creating specialized habitat gardens
  • Located in the southeastern United States
  • Looking for unique, low-maintenance ground cover

Remember, with great rarity comes great responsibility. If you do decide to grow this special little plant, you’re becoming a steward of a piece of our natural heritage. Source it responsibly, grow it with care, and maybe even save some seeds to share with other conservation-minded gardeners.

Rugel’s nailwort may be small and humble, but in a world where we’re losing native plants at an alarming rate, every garden that provides a home for rare natives like this one is making a difference. Sometimes the most important plants are the ones that whisper rather than shout.

Rugel’s 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 rugelii (Chapm.) Shuttlw. ex Chapm. - Rugel's nailwort

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