North America Native Plant

New Mexico Rockdaisy

Botanical name: Perityle staurophylla var. homoflora

USDA symbol: PESTH

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

New Mexico Rockdaisy: A Hidden Gem Worth Protecting Meet the New Mexico rockdaisy (Perityle staurophylla var. homoflora), one of the Southwest’s best-kept botanical secrets. This little-known perennial herb might not be the showiest plant in your garden, but it represents something truly special—a rare piece of New Mexico’s natural heritage ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

New Mexico Rockdaisy: A Hidden Gem Worth Protecting

Meet the New Mexico rockdaisy (Perityle staurophylla var. homoflora), one of the Southwest’s best-kept botanical secrets. This little-known perennial herb might not be the showiest plant in your garden, but it represents something truly special—a rare piece of New Mexico’s natural heritage that deserves our attention and protection.

What Makes This Plant Special

The New Mexico rockdaisy is a perennial forb, which simply means it’s a non-woody flowering plant that comes back year after year. As part of the daisy family, it produces small, cheerful blooms that add a delicate touch to rocky landscapes. What makes this variety particularly noteworthy is its extremely limited range and rarity status.

Where You’ll Find It (If You’re Lucky)

This rockdaisy is a true New Mexico endemic, found nowhere else in the world except within the state’s borders. It’s adapted to the unique growing conditions of the Southwest, thriving in rocky habitats where few other plants dare to venture.

A Word of Caution: Rarity Matters

Before you start planning where to plant your New Mexico rockdaisy, there’s something important you need to know. This plant has a Global Conservation Status of S4T2, indicating it’s quite rare and potentially vulnerable. This means:

  • Wild populations are limited and fragile
  • Habitat disturbance could seriously impact the species
  • Any plant material should come from responsible, ethical sources
  • Never collect plants or seeds from wild populations

Should You Grow New Mexico Rockdaisy?

If you can source this plant responsibly (perhaps from specialized native plant nurseries or conservation programs), growing New Mexico rockdaisy can be a meaningful way to support conservation efforts. However, this isn’t a plant for casual gardeners or those looking for instant gratification.

Consider growing it if you:

  • Are passionate about rare plant conservation
  • Have experience with challenging native plants
  • Want to support New Mexico’s botanical heritage
  • Have the right growing conditions (rocky, well-draining soil)

Growing Conditions and Care

While specific growing requirements for this variety are not well-documented, we can make educated guesses based on its natural habitat and related species in the Perityle genus:

Preferred conditions likely include:

  • Full sun to partial shade
  • Excellent drainage (essential!)
  • Rocky or gravelly soil
  • Minimal water once established
  • Good air circulation

This plant has evolved to thrive in New Mexico’s challenging climate, so it’s naturally adapted to drought conditions and temperature fluctuations typical of the high desert.

Garden Design Ideas

If you’re fortunate enough to grow New Mexico rockdaisy, consider these placement ideas:

  • Rock gardens or scree beds
  • Native plant collections
  • Conservation gardens
  • Xeriscaping projects
  • Educational or demonstration gardens

The Bigger Picture

Sometimes the most important plants aren’t the flashiest ones. The New Mexico rockdaisy represents the incredible diversity of our native flora and reminds us that every species has value, even if we don’t fully understand it yet. By learning about and protecting rare plants like this one, we’re preserving options for future generations and maintaining the intricate web of relationships that make ecosystems function.

Whether you choose to grow this rare beauty or simply appreciate it from afar, the New Mexico rockdaisy serves as a perfect example of why native plant conservation matters. After all, once a species is gone, it’s gone forever—and that would be a loss we can’t afford.

New Mexico 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 staurophylla (Barneby) Shinners - New Mexico rockdaisy

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