North America Native Plant

Fortuna Range Suncup

Botanical name: Camissonia arenaria

USDA symbol: CAAR20

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Chylismia arenaria A. Nelson (CHAR9)  âš˜  Oenothera arenaria (A. Nelson) P.H. Raven (OEAR2)  âš˜  Oenothera cardiophylla Torr. var. splendens Munz & I.M. Johnst. (OECAS)   

Fortuna Range Suncup: A Desert Gem for Water-Wise Gardens Meet the Fortuna Range suncup (Camissonia arenaria), a delightful little native wildflower that’s perfectly at home in the sun-baked landscapes of the American Southwest. This charming member of the evening primrose family might not be the showiest plant in your garden, ...

Fortuna Range Suncup: A Desert Gem for Water-Wise Gardens

Meet the Fortuna Range suncup (Camissonia arenaria), a delightful little native wildflower that’s perfectly at home in the sun-baked landscapes of the American Southwest. This charming member of the evening primrose family might not be the showiest plant in your garden, but it’s got plenty of personality and some serious drought-tolerant superpowers.

What Makes the Fortuna Range Suncup Special?

The Fortuna Range suncup is a true native of Arizona and California, where it has spent countless generations perfecting the art of desert survival. As a forb (that’s garden-speak for a non-woody flowering plant), it keeps things simple with its low-growing habit and cheerful yellow blooms that appear in spring.

You might also encounter this plant under its scientific name Camissonia arenaria, or its botanical synonyms including Chylismia arenaria and Oenothera arenaria. Whatever name you use, you’re talking about the same tough little desert dweller.

Why Choose Fortuna Range Suncup for Your Garden?

If you’re looking to create an authentic desert landscape or add some native flair to your water-wise garden, here’s why this suncup deserves a spot:

  • True native credentials: This plant belongs in Southwestern landscapes and supports local ecosystems
  • Drought champion: Once established, it thrives on minimal water
  • Pollinator magnet: Those bright yellow flowers attract native bees and other beneficial insects
  • Low maintenance: Perfect for gardeners who prefer plants that take care of themselves

Where Does It Fit in Your Landscape?

The Fortuna Range suncup shines brightest in:

  • Desert and xerophytic gardens
  • Native plant collections
  • Wildflower meadows
  • Rock gardens with sandy soil
  • Water-wise landscape borders

This plant works beautifully as a groundcover accent or mixed with other desert natives for a naturalistic look that celebrates the beauty of arid landscapes.

Growing Conditions and Care

The Fortuna Range suncup is happiest in USDA hardiness zones 8-10, which perfectly matches its native range in the warmer parts of Arizona and California.

Soil requirements: Sandy, well-draining soil is absolutely essential. This plant despises soggy conditions and will quickly succumb to root rot in heavy or poorly draining soils.

Sun exposure: Full sun is the way to go. This desert native soaks up those intense rays with enthusiasm.

Water needs: Once established, minimal supplemental watering is needed. During establishment, provide occasional deep watering, then step back and let nature take over.

Planting and Establishment Tips

Getting your Fortuna Range suncup off to a good start is straightforward:

  • Plant in fall for best establishment before the intense summer heat
  • Ensure excellent drainage – add sand or gravel to heavy soils if needed
  • Direct seeding often works better than transplants for this desert native
  • Skip the fertilizer – these plants prefer lean, nutrient-poor soils
  • Water sparingly during establishment, then reduce to minimal levels

Supporting Wildlife

While small in stature, the Fortuna Range suncup plays an important role in supporting native pollinators. Its spring blooms provide nectar and pollen for native bees and other beneficial insects that are crucial to healthy desert ecosystems.

Is This Plant Right for You?

Consider the Fortuna Range suncup if you’re gardening in its native range and want to create authentic, sustainable landscapes. It’s particularly perfect for gardeners who appreciate subtle beauty over flashy displays and value plants that work with, rather than against, their local climate.

However, if you’re looking for a bold focal point or need a plant for areas with regular irrigation, you might want to explore other options. This suncup is all about understated charm and desert resilience.

By choosing native plants like the Fortuna Range suncup, you’re not just creating a beautiful garden – you’re supporting local wildlife and celebrating the unique character of Southwestern landscapes. Sometimes the most rewarding garden plants are the ones that whisper rather than shout.

Fortuna Range 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 arenaria (A. Nelson) P.H. Raven - Fortuna Range suncup

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