North America Native Plant

Nevada Rockdaisy

Botanical name: Perityle megalocephala var. megalocephala

USDA symbol: PEMEM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Laphamia megalocephala S. Watson (LAME3)   

Nevada Rockdaisy: A Hardy Desert Gem for Water-Wise Gardens Meet the Nevada rockdaisy (Perityle megalocephala var. megalocephala), a charming little perennial that’s perfectly at home in the scorching desert heat. This native beauty might just be the answer to your prayers if you’re looking for a low-maintenance plant that can ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Nevada Rockdaisy: A Hardy Desert Gem for Water-Wise Gardens

Meet the Nevada rockdaisy (Perityle megalocephala var. megalocephala), a charming little perennial that’s perfectly at home in the scorching desert heat. This native beauty might just be the answer to your prayers if you’re looking for a low-maintenance plant that can handle whatever Mother Nature throws at it – especially if what she’s throwing is blazing sunshine and very little rain!

What Makes Nevada Rockdaisy Special?

This delightful native plant is a true survivor of the American Southwest, calling California and Nevada home. As a perennial member of the sunflower family, it brings those cheerful daisy-like blooms we all love, but with the added bonus of being perfectly adapted to harsh desert conditions.

The Nevada rockdaisy stays refreshingly compact, typically growing as a low shrub under 1.5 feet tall and never exceeding 3 feet at maturity. Its small, lobed leaves create a neat, mounded appearance that works beautifully as a groundcover or accent plant. When it blooms – primarily in spring and fall – it produces clusters of small yellow flowers with delicate white petals that seem to dance in the desert breeze.

Where Does It Call Home?

Nevada rockdaisy is native to the lower 48 states, specifically thriving in the Mojave Desert regions of California and Nevada. It’s a true regional specialist, having evolved to handle the unique challenges of this arid landscape.

Why Choose Nevada Rockdaisy for Your Garden?

If you’re gardening in the Southwest and looking for native plants that won’t quit on you, Nevada rockdaisy offers several compelling reasons to earn a spot in your landscape:

  • Water-wise champion: Once established, this plant requires minimal irrigation, making it perfect for xeriscaping
  • Pollinator magnet: The daisy-like flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Forget about constant pruning, fertilizing, or fussing – this plant thrives on neglect
  • Heat tolerant: Built to withstand extreme desert temperatures without breaking a sweat
  • Native authenticity: Supporting local ecosystems while reducing water usage

Perfect Garden Settings

Nevada rockdaisy shines brightest in:

  • Rock gardens where it can nestle between boulders and stones
  • Xeriscape designs focused on water conservation
  • Desert landscape gardens celebrating regional flora
  • Native plant gardens supporting local wildlife
  • Slope stabilization projects in arid areas

Growing Conditions That Make It Happy

This desert dweller has some specific preferences that, once met, will keep it thriving for years:

  • Sunlight: Full sun to partial shade – it can handle intense desert sun like a champ
  • Soil: Well-draining soil is absolutely essential; it can even handle alkaline conditions
  • Water: Minimal once established – overwatering is more likely to kill it than drought
  • Climate: USDA hardiness zones 8-10, where it can handle both heat and occasional cold snaps

Planting and Care Tips

Getting Nevada rockdaisy established in your garden is surprisingly straightforward:

  • Best planting time: Fall or early spring when temperatures are moderate
  • Soil preparation: Ensure excellent drainage – add gravel or sand to heavy soils if needed
  • Spacing: Give plants room to spread, typically 2-3 feet apart
  • Initial watering: Water regularly the first season to help establishment, then back off significantly
  • Ongoing care: Less is more – avoid fertilizers and excessive watering
  • Pruning: Light deadheading after blooming, but generally minimal pruning needed

Important Conservation Note

Nevada rockdaisy has a conservation status that suggests it may be somewhat uncommon in parts of its range. If you’re interested in growing this native beauty, make sure to source your plants from reputable nurseries that specialize in native plants and ethical propagation. Avoid collecting from wild populations, and consider this an opportunity to support conservation through responsible gardening.

Is Nevada Rockdaisy Right for Your Garden?

If you’re gardening in the appropriate climate zones and looking for a truly low-maintenance native plant that supports local pollinators while conserving water, Nevada rockdaisy could be an excellent choice. It’s particularly perfect for gardeners who appreciate understated beauty and want to create landscapes that work with, rather than against, their natural environment.

Just remember – this isn’t a plant for gardeners who like to hover and fuss. Nevada rockdaisy thrives on benign neglect and reward your hands-off approach with years of reliable blooms and habitat value for local wildlife.

Nevada 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 megalocephala (S. Watson) J.F. Macbr. - Nevada rockdaisy

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