Native Plants

Gray Rockdaisy

Perityle cinerea

USDA symbol: PECI9

perennial subshrub

Lower 48 states: native

Meet the gray rockdaisy (Perityle cinerea), a charming little perennial that’s as tough as the rocky landscapes it calls home. This diminutive native wildflower might be small in stature, but it packs a big punch when it comes to drought tolerance and desert charm. However, before you fall head-over-heels for ...

Gray Rockdaisy may be listed as rare in your area.
Global Conservation Status

Status: S2 | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Gray Rockdaisy: A Rare Gem for Desert Gardens

Meet the gray rockdaisy (Perityle cinerea), a charming little perennial that’s as tough as the rocky landscapes it calls home. This diminutive native wildflower might be small in stature, but it packs a big punch when it comes to drought tolerance and desert charm. However, before you fall head-over-heels for this silvery beauty, there’s something important you need to know about its conservation status.

What Makes Gray Rockdaisy Special

Gray rockdaisy is a low-growing perennial shrub that typically stays under 1.5 feet tall, making it perfect for tucking into rock gardens and desert landscapes. Its silvery-gray foliage creates a lovely backdrop for the small, daisy-like flowers that bloom in delicate white to pale yellow hues. The plant gets its common name from both its gray appearance and its love of rocky habitats.

Also known by its botanical name Perityle cinerea, this plant was formerly classified as Laphamia cinerea. Despite the name changes over the years, this little desert dweller has remained consistently captivating to those lucky enough to encounter it.

Where Gray Rockdaisy Calls Home

This native beauty is found primarily in Texas, with its range extending into parts of the southwestern United States. It’s a true child of the American Southwest, having evolved to thrive in the region’s challenging desert conditions.

  • Species observed
  • No observations

Important Conservation Notice

Here’s where we need to have a serious conversation: gray rockdaisy has a Global Conservation Status of S2, which means it’s considered Imperiled. This classification indicates the species is extremely rare, with typically only 6 to 20 known occurrences and between 1,000 to 3,000 remaining individuals. This rarity makes it especially vulnerable to extinction.

If you’re interested in growing gray rockdaisy, please only obtain plants or seeds from reputable native plant nurseries that use responsibly sourced, ethically propagated material. Never collect plants or seeds from wild populations, as this could further threaten the species’ survival.

Garden Role and Landscape Design

When grown responsibly, gray rockdaisy makes an excellent addition to:

  • Rock gardens and xeriscapes
  • Desert-themed landscapes
  • Native plant gardens
  • Drought-tolerant border plantings
  • Container gardens (perfect for its small size)

Its low-growing habit and silvery foliage make it an ideal companion for other desert natives and a wonderful accent plant that won’t overwhelm neighboring species.

Growing Conditions and Care

Gray rockdaisy is adapted to USDA hardiness zones 8-10 and thrives in conditions that would stress many other plants:

  • Sunlight: Full sun is essential
  • Soil: Well-draining, rocky, or sandy soils; avoid clay or constantly moist conditions
  • Water: Extremely drought tolerant once established; actually prefers dry conditions
  • Maintenance: Very low maintenance once established

Planting and Care Tips

If you’re fortunate enough to source this rare plant responsibly:

  • Plant in spring when temperatures are mild
  • Choose the sunniest, most well-draining spot in your garden
  • Water sparingly during establishment, then reduce to minimal supplemental watering
  • Avoid fertilizing – this desert native prefers lean soils
  • Allow the plant to go dormant naturally in winter

Benefits to Wildlife and Pollinators

Despite its small size, gray rockdaisy provides valuable nectar and pollen for native bees, small butterflies, and other desert pollinators. Every flower counts in desert ecosystems, where blooming plants can be scarce during certain times of the year.

Should You Grow Gray Rockdaisy?

The answer is nuanced. While this native plant would make a wonderful addition to appropriate gardens, its imperiled status means we must approach it with conservation in mind. If you can source it responsibly from a reputable native plant nursery that propagates rather than wild-collects, and if you live within its natural range, growing gray rockdaisy can actually support conservation efforts.

However, if you can’t find responsibly sourced plants, consider supporting conservation by choosing other native Texas wildflowers that are more common and readily available, such as blanket flower (Gaillardia pulchella) or desert willow (Chilopsis linearis).

Remember, the best way to appreciate rare plants like gray rockdaisy is sometimes simply to admire them in their natural habitats and support organizations working to protect these precious desert ecosystems for future generations.

Perityle cinerea is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Perityle cinerea is also known as:

Laphamia cinerea | USDA symbol: LACI2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Perityle Benth. - rockdaisy

Species: Perityle cinerea (A. Gray) A. Powell - gray rockdaisy

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