North America Native Plant

Hueco Rockdaisy

Botanical name: Perityle huecoensis

USDA symbol: PEHU5

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Hueco Rockdaisy: A Rare Texas Treasure for Desert Gardens Meet the Hueco rockdaisy, a tiny botanical gem that’s as rare as it is charming. This diminutive Texas native might just be one of the most exclusive plants you could add to your garden – and by exclusive, we mean critically ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Hueco Rockdaisy: A Rare Texas Treasure for Desert Gardens

Meet the Hueco rockdaisy, a tiny botanical gem that’s as rare as it is charming. This diminutive Texas native might just be one of the most exclusive plants you could add to your garden – and by exclusive, we mean critically endangered. But don’t let that scare you away from learning about this fascinating little survivor!

What Makes Hueco Rockdaisy Special?

Perityle huecoensis, commonly known as Hueco rockdaisy, is a perennial forb that proves good things really do come in small packages. This native Texan produces delicate, daisy-like flowers with bright white petals surrounding cheerful yellow centers. As a low-growing herb, it hugs the ground and tucks itself into rocky crevices with the determination of a plant that knows exactly where it belongs.

Where Does It Call Home?

The Hueco rockdaisy is what we call an endemic species – it’s found naturally in only one place on Earth. This little plant calls the Hueco Mountains of western Texas its exclusive home, making it a true local celebrity in the plant world.

A Word of Caution: This Plant is Critically Rare

Here’s where we need to have a serious conversation. The Hueco rockdaisy has a Global Conservation Status of S1, which means it’s critically imperiled. With typically five or fewer known occurrences and very few remaining individuals (fewer than 1,000), this plant is hanging on by a thread in the wild.

What this means for gardeners: If you’re interested in growing this species, you must ensure any plants or seeds come from responsible, documented sources – never from wild collection. Better yet, consider supporting conservation efforts for this species rather than growing it in your garden.

Garden Role and Design Potential

In the right setting, Hueco rockdaisy would serve as an exceptional specimen for:

  • Rock gardens and crevice plantings
  • Xerophytic (drought-tolerant) landscapes
  • Native plant conservation gardens
  • Specialized desert plant collections

Its compact size and specialized habitat needs make it more of a collector’s plant than a landscape workhorse, but for the right gardener, it could be a meaningful addition to a conservation-focused native plant garden.

Growing Conditions and Care

If you’re fortunate enough to acquire responsibly sourced Hueco rockdaisy, here’s what it needs to thrive:

Climate: Hardy in USDA zones 8-10, matching its native Texas range

Soil: Excellent drainage is absolutely critical – think rocky, gravelly, or sandy soils that dry out quickly

Water: Extremely drought tolerant once established; overwatering is likely to be fatal

Sun: Full sun exposure, just like its natural rocky mountain habitat

Care tips: Less is definitely more with this plant. Avoid rich soils, regular watering, or any kind of coddling. It’s adapted to harsh conditions and prefers to be left alone.

Pollinator and Wildlife Benefits

Despite its small size, the Hueco rockdaisy likely provides nectar for specialized desert pollinators, including small native bees and other insects adapted to arid environments. Every native plant, no matter how tiny, plays a role in supporting local ecosystems.

The Bottom Line

The Hueco rockdaisy represents everything we love about native plants – it’s perfectly adapted to its environment, supports local wildlife, and tells the story of a specific place. However, its critically imperiled status means this isn’t a plant for casual gardening.

If you’re drawn to rare Texas natives, consider supporting conservation efforts for species like this one, and explore other drought-tolerant native alternatives that aren’t facing extinction. Sometimes the best way to appreciate a rare plant is to protect its wild habitat rather than bring it into our gardens.

For gardeners in Texas looking for similar aesthetic appeal without the conservation concerns, consider other native Perityle species or drought-tolerant natives like desert willow, autumn sage, or native sunflowers that can provide beauty while supporting local ecosystems sustainably.

Hueco Rockdaisy

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Perityle Benth. - rockdaisy

Species

Perityle huecoensis A. Powell - Hueco rockdaisy

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