North America Native Plant

Redclay Suncup

Botanical name: Camissonia parryi

USDA symbol: CAPA38

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Oenothera parryi S. Watson (OEPA9)   

Redclay Suncup: A Charming Desert Annual for Southwestern Gardens If you’re looking to add a touch of sunny desert charm to your southwestern garden, the redclay suncup might just be the perfect little wildflower you didn’t know you needed. This delightful native annual brings cheerful yellow blooms to some of ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Redclay Suncup: A Charming Desert Annual for Southwestern Gardens

If you’re looking to add a touch of sunny desert charm to your southwestern garden, the redclay suncup might just be the perfect little wildflower you didn’t know you needed. This delightful native annual brings cheerful yellow blooms to some of the most challenging growing conditions, proving that sometimes the best things really do come in small packages.

What is Redclay Suncup?

Redclay suncup (Camissonia parryi) is a native annual forb that calls the American Southwest home. You might also see it listed under its former scientific name, Oenothera parryi, but don’t let the name changes confuse you – it’s the same charming little plant. As a forb, it’s essentially an herbaceous flowering plant without woody stems, living its entire life cycle in a single growing season.

This native beauty is naturally found across Arizona, Nevada, and Utah, where it has adapted perfectly to the challenging desert conditions. However, it’s worth noting that redclay suncup has a Global Conservation Status of S3?, which means its conservation status isn’t fully defined – something to keep in mind when sourcing plants or seeds.

Why You Might Want to Grow Redclay Suncup

Here’s where this little desert dweller really shines (pun intended). Redclay suncup produces small, cheerful yellow flowers with four delicate petals that seem to glow in the desert sunshine. While individual plants may be modest in size, when grown in groups, they create a lovely carpet of golden blooms that can brighten up even the most austere desert landscape.

As a native plant, redclay suncup is perfectly adapted to southwestern growing conditions, making it an excellent choice for:

  • Native plant gardens celebrating regional flora
  • Xeriscaping projects focused on water conservation
  • Desert-themed landscapes
  • Low-maintenance wildflower meadows
  • Supporting local ecosystem health

Pollinator and Wildlife Benefits

Don’t let its small stature fool you – redclay suncup punches above its weight when it comes to supporting local wildlife. The small yellow flowers are perfectly sized for native bees and other tiny pollinators that are often overlooked in garden planning. By including this native annual in your garden, you’re providing important resources for the smaller members of your local pollinator community.

Growing Conditions and Care

Here’s the beautiful thing about redclay suncup – it’s actually quite easy to grow if you can provide the right conditions. This desert native thrives in:

  • Soil: Sandy, clay, or rocky soils with excellent drainage
  • Sun exposure: Full sun (this plant loves intense sunlight)
  • Water: Very low water requirements once established
  • USDA Hardiness Zones: 7-10, particularly in desert regions

The key to success with redclay suncup is understanding that less is often more. This plant has evolved to thrive in harsh conditions, so overwatering or overly rich soil can actually harm rather than help.

Planting and Care Tips

Since redclay suncup is an annual, you’ll need to replant it each year, but the good news is that it’s quite straightforward:

  • Timing: Direct seed in fall or early spring for best results
  • Planting: Scatter seeds lightly over prepared soil and barely cover
  • Watering: Provide minimal supplemental water only during establishment
  • Maintenance: Practically none once established – just let nature take its course

The most important thing to remember is that this plant doesn’t need pampering. In fact, trying too hard to care for it might work against you!

Is Redclay Suncup Right for Your Garden?

Redclay suncup is an excellent choice if you live in the southwestern United States and want to create a authentic native plant garden or xeriscape. It’s particularly well-suited for gardeners who appreciate subtle beauty and want to support local ecosystems with minimal maintenance.

However, this plant might not be the best choice if you’re looking for showy, long-lasting blooms or if you live outside its native range. Since it has an uncertain conservation status, make sure to source seeds or plants from reputable native plant suppliers who use responsible collection practices.

For southwestern gardeners ready to embrace the understated elegance of desert natives, redclay suncup offers a wonderful way to connect with the natural heritage of your region while creating habitat for local wildlife. Sometimes the most rewarding plants are the ones that ask for very little but give back so much to the landscape they call home.

Redclay Suncup

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Camissonia Link - suncup

Species

Camissonia parryi (S. Watson) P.H. Raven - redclay suncup

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