North America Native Plant

Shortray Rockdaisy

Botanical name: Perityle microglossa

USDA symbol: PEMI5

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Perityle spilanthoides (Sch. Bip.) Rydb. (PESP6)   

Shortray Rockdaisy: A Tiny Desert Gem for Water-Wise Gardens Meet the shortray rockdaisy (Perityle microglossa), a charming little native annual that proves good things really do come in small packages. This diminutive desert dweller might not win any height contests, but what it lacks in stature, it makes up for ...

Shortray Rockdaisy: A Tiny Desert Gem for Water-Wise Gardens

Meet the shortray rockdaisy (Perityle microglossa), a charming little native annual that proves good things really do come in small packages. This diminutive desert dweller might not win any height contests, but what it lacks in stature, it makes up for in pure, delicate beauty and rock-solid reliability in challenging growing conditions.

What Makes Shortray Rockdaisy Special?

Also known by its synonym Perityle spilanthoides, the shortray rockdaisy is a true native of the American Southwest, naturally occurring in Arizona and Texas. As an annual forb, this herbaceous plant completes its entire life cycle in one growing season, making it perfect for gardeners who enjoy seasonal variety in their landscapes.

The shortray rockdaisy belongs to the sunflower family and produces tiny white daisy-like flowers with bright yellow centers. These delicate blooms, typically measuring less than a quarter-inch across, may be small individually, but they appear in clusters that create a lovely cloud-like effect when the plant is in full bloom.

Why Grow Shortray Rockdaisy?

If you’re looking for a low-maintenance native that thrives in tough conditions, shortray rockdaisy deserves a spot on your wish list. Here’s why this little desert champion is worth considering:

  • Water-wise wonder: Once established, this drought-tolerant native requires minimal irrigation, making it perfect for water-conscious gardeners
  • Pollinator magnet: Despite their small size, the flowers attract native bees, flies, and other beneficial insects
  • Self-sufficient: As an annual that readily self-seeds, it can naturalize in appropriate conditions without becoming invasive
  • Authentic regional character: Using natives like shortray rockdaisy helps create landscapes that reflect the natural beauty of the Southwest

Perfect Garden Settings

Shortray rockdaisy shines brightest in specialized garden situations where many other plants would struggle. Consider it for:

  • Desert and xeriscape gardens
  • Rock gardens and rockeries
  • Native plant collections
  • Naturalized areas with poor or rocky soil
  • Water-wise landscapes

Growing Conditions and Care

The beauty of shortray rockdaisy lies in its simplicity. This adaptable native asks for very little:

Sunlight: Full sun is essential for best flowering and plant health.

Soil: Well-draining sandy or rocky soil works best. The plant prefers alkaline conditions and will struggle in heavy, clay soils or areas with poor drainage.

Water: Minimal water needs once established. Overwatering is more likely to cause problems than drought.

Climate: Best suited for USDA hardiness zones 8-10, matching its native range in the warm Southwest.

Planting and Care Tips

Growing shortray rockdaisy successfully is refreshingly straightforward:

  • Timing: Direct seed in fall or early spring when temperatures are moderate
  • Soil preparation: Ensure excellent drainage – add coarse sand or gravel to heavy soils if needed
  • Watering: Water lightly until germination, then reduce frequency as plants establish
  • Maintenance: Virtually none required – just let nature take its course
  • Propagation: Allow plants to self-seed for natural colonies, or collect seeds for controlled planting

Is Shortray Rockdaisy Right for Your Garden?

This native annual is an excellent choice for gardeners in the Southwest who want to create authentic, low-maintenance landscapes that support local wildlife. However, it’s not the right fit for every situation. Skip shortray rockdaisy if you’re looking for:

  • Large, showy flowers
  • Plants for humid, high-rainfall areas
  • Tall background plants
  • Perennials that return year after year in the same spot

But if you’re drawn to the subtle beauty of native desert plants and want something that practically grows itself once established, shortray rockdaisy might just become your new favorite. This little gem proves that sometimes the most rewarding plants are those that work with nature rather than against it, creating beautiful, sustainable gardens that celebrate the unique character of their region.

Shortray 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 microglossa Benth. - shortray rockdaisy

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