North America Native Plant

Paiute Suncup

Botanical name: Camissonia scapoidea brachycarpa

USDA symbol: CASCB2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Oenothera scapoidea Nutt. ex Torr. & A. Gray ssp. brachycarpa P.H. Raven (OESCB)   

Paiute Suncup: A Charming Native Wildflower for Western Gardens If you’re looking to add a touch of delicate beauty to your western garden while supporting local ecosystems, the Paiute suncup might just be your new favorite native wildflower. This understated gem brings both charm and ecological value to landscapes across ...

Paiute Suncup: A Charming Native Wildflower for Western Gardens

If you’re looking to add a touch of delicate beauty to your western garden while supporting local ecosystems, the Paiute suncup might just be your new favorite native wildflower. This understated gem brings both charm and ecological value to landscapes across the American West.

What Is Paiute Suncup?

Paiute suncup (Camissonia scapoidea brachycarpa) is a native annual forb that belongs to the evening primrose family. Don’t let the suncup name fool you – this little beauty produces lovely four-petaled yellow flowers that seem to capture sunshine in each bloom. As an annual, it completes its entire life cycle in one growing season, making it a perfect choice for gardeners who enjoy seasonal variety.

You might also encounter this plant listed under its botanical synonym Oenothera scapoidea subspecies brachycarpa in older gardening references, but don’t let the name changes confuse you – it’s the same delightful plant.

Where Does Paiute Suncup Call Home?

This hardy native makes its home across five western states: Idaho, Montana, Nevada, Oregon, and Utah. It’s perfectly adapted to the unique growing conditions of the Great Basin and intermountain regions, thriving in areas where many other plants struggle.

Why Plant Paiute Suncup in Your Garden?

There are several compelling reasons to consider adding this native wildflower to your landscape:

  • True native appeal: Supporting native plants means supporting local ecosystems and wildlife
  • Drought tolerance: Once established, it requires minimal watering – perfect for xeriscaping
  • Pollinator magnet: The bright yellow flowers attract native bees and other beneficial pollinators
  • Low maintenance: As an annual that self-seeds, it can naturalize in suitable conditions
  • Unique beauty: The delicate flowers add subtle charm without overwhelming other plants

Perfect Garden Settings

Paiute suncup shines in several types of garden settings:

  • Native plant gardens and naturalized areas
  • Rock gardens and xeriscapes
  • Wildflower meadows
  • Pollinator gardens
  • Low-water landscape borders

This charming forb works beautifully as a ground cover or mixed into wildflower plantings where its modest height won’t compete with taller specimens.

Growing Conditions and Care

One of the best things about Paiute suncup is how easy it is to please, as long as you match its natural preferences:

Sunlight: Full sun is essential – this plant loves basking in bright, direct sunlight throughout the day.

Soil: Well-draining sandy or rocky soils work best. Heavy clay or constantly moist soils are not suitable for this drought-adapted native.

Water: Minimal water needs once established. Overwatering is more likely to harm this plant than help it.

Hardiness: Suitable for USDA zones 4-8, making it adaptable across much of its native range.

Planting and Care Tips

Getting started with Paiute suncup is refreshingly straightforward:

  • Timing: Direct seed in fall for spring germination, mimicking natural cycles
  • Soil prep: Ensure excellent drainage – amend heavy soils with sand or gravel if needed
  • Seeding: Scatter seeds lightly and barely cover with soil
  • Watering: Water gently until germination, then reduce frequency
  • Maintenance: Allow plants to complete their cycle and drop seeds for next year’s display

Supporting Wildlife

While small in stature, Paiute suncup punches above its weight when it comes to supporting local wildlife. The bright yellow flowers are particularly attractive to native bees and other small pollinators who rely on native plants for their survival. By choosing this native wildflower over non-native alternatives, you’re helping maintain the intricate web of relationships between plants and animals that have evolved together over thousands of years.

Is Paiute Suncup Right for Your Garden?

If you garden in the western United States and want to embrace native plants that support local ecosystems, Paiute suncup deserves serious consideration. It’s particularly perfect for gardeners who:

  • Want low-maintenance, drought-tolerant plants
  • Are creating pollinator-friendly spaces
  • Appreciate subtle, natural beauty over flashy displays
  • Live in areas with sandy or rocky soils
  • Want to support native plant communities

This delightful native wildflower proves that sometimes the most rewarding garden plants are the ones that have been thriving in your region long before gardens even existed. Give Paiute suncup a try, and you might just discover your new favorite low-maintenance native!

Paiute 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 scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven - Paiute suncup

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