North America Native Plant

Peirson’s Browneyes

Botanical name: Camissonia claviformis peirsonii

USDA symbol: CACLP3

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Oenothera claviformis Torr. & Frém. ssp. peirsonii (Munz) P.H. Raven (OECLP2)  âš˜  Oenothera claviformis Torr. & Frém. var. peirsonii Munz (OECLP3)   

Peirson’s Browneyes: A Desert Gem for Your Native Garden If you’re looking to add authentic desert charm to your landscape, Peirson’s browneyes (Camissonia claviformis peirsonii) might be just the ticket. This delightful little annual brings a splash of sunshine to desert gardens while supporting local wildlife and requiring minimal care ...

Peirson’s Browneyes: A Desert Gem for Your Native Garden

If you’re looking to add authentic desert charm to your landscape, Peirson’s browneyes (Camissonia claviformis peirsonii) might be just the ticket. This delightful little annual brings a splash of sunshine to desert gardens while supporting local wildlife and requiring minimal care once you understand its needs.

What Makes Peirson’s Browneyes Special?

Peirson’s browneyes is a native annual forb that calls the southwestern United States home. As a member of the evening primrose family, this charming plant produces small, bright yellow flowers that add color to the desert landscape during its blooming season. Don’t let its modest size fool you – this little powerhouse packs a lot of personality into its compact form.

You might also see this plant listed under its scientific synonyms, including Oenothera claviformis var. peirsonii, but regardless of what name you know it by, it’s the same wonderful desert native.

Where Does It Call Home?

This desert specialist is native to Arizona and California, thriving in the harsh but beautiful conditions of the Sonoran Desert region. It’s perfectly adapted to life in these challenging environments, making it an excellent choice for gardeners in USDA zones 9-11 who want to work with nature rather than against it.

Why Plant Peirson’s Browneyes?

There are several compelling reasons to consider adding this native annual to your garden:

  • Water-wise gardening: Once established, it requires minimal irrigation, making it perfect for drought-tolerant landscapes
  • Pollinator support: The bright yellow flowers attract native bees and other desert pollinators, supporting local ecosystems
  • Low maintenance: As an annual, it completes its life cycle naturally without requiring ongoing care
  • Authentic desert beauty: Adds genuine native character to xeriscapes and desert-themed gardens
  • Wildlife benefits: Seeds provide food for desert birds and small mammals

Growing Peirson’s Browneyes Successfully

The key to success with this desert native is understanding its natural preferences:

Sunlight: Full sun is essential. This plant evolved in the open desert and needs plenty of bright light to thrive.

Soil: Well-draining sandy or gravelly soil is crucial. Heavy clay or soggy conditions will spell disaster for this desert dweller. If your soil retains too much moisture, consider creating raised beds or adding coarse sand and gravel to improve drainage.

Water: Less is more! Provide occasional deep watering during establishment, then back off. Overwatering is one of the fastest ways to lose this plant.

Planting and Care Tips

Since Peirson’s browneyes is an annual, you’ll typically grow it from seed:

  • Timing: Direct seed in fall for spring blooms, mimicking natural desert rainfall patterns
  • Soil prep: Ensure excellent drainage – this cannot be overstated
  • Watering: Water lightly after planting, then only during extended dry periods
  • Fertilizer: None needed – desert soils are naturally low in nutrients, and this plant is adapted accordingly

Perfect Garden Partners

Peirson’s browneyes shines in:

  • Desert gardens and xeriscapes
  • Native plant gardens focused on southwestern species
  • Rock gardens with excellent drainage
  • Wildflower meadows in appropriate climates

Pair it with other desert natives like brittlebush, desert marigold, or ghost plant for a stunning native display that celebrates the unique beauty of southwestern landscapes.

The Bottom Line

Peirson’s browneyes offers gardeners in appropriate climates a chance to grow something truly special – a genuine desert native that requires minimal resources while providing maximum ecological value. If you’re in Arizona or California and want to create a water-wise garden that supports local wildlife, this cheerful annual deserves a spot in your landscape. Just remember: good drainage is key, and when in doubt, water less rather than more!

Peirson’s Browneyes

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 claviformis (Torr. & Frém.) P.H. Raven - browneyes

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