Native Plants

Utah Suncup

Camissonia scapoidea utahensis

USDA symbol: CASCU

annual forb

Lower 48 states: native

If you’re passionate about native gardening and love discovering lesser-known wildflowers, you might want to learn about Utah suncup (Camissonia scapoidea utahensis). This charming annual forb represents one of nature’s more elusive treasures, native to the American Southwest. Utah suncup is an annual forb, meaning it’s a non-woody plant that ...

Utah Suncup may be listed as rare in your area.
Global Conservation Status

Status: S5T3? | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

Utah Suncup: A Rare Desert Gem Worth Considering for Your Native Garden

If you’re passionate about native gardening and love discovering lesser-known wildflowers, you might want to learn about Utah suncup (Camissonia scapoidea utahensis). This charming annual forb represents one of nature’s more elusive treasures, native to the American Southwest.

What Is Utah Suncup?

Utah suncup is an annual forb, meaning it’s a non-woody plant that completes its entire life cycle in one growing season. As a member of the evening primrose family, this native wildflower shares characteristics with its more famous cousins but maintains its own unique desert charm.

You might also encounter this plant listed under its scientific synonyms, including Camissonia scapoidea var. utahensis or Oenothera scapoidea ssp. utahensis, as botanical classifications have evolved over time.

Where Does Utah Suncup Grow?

This native beauty calls the desert regions of Nevada and Utah home, where it has adapted to thrive in the challenging conditions of the Great Basin and surrounding areas. Its limited native range makes it a special addition to gardens within its natural territory.

  • Species observed
  • No observations

A Word About Conservation

Here’s something important to know: Utah suncup has a Global Conservation Status of S5T3?, which indicates an undefined but potentially concerning conservation status. This means if you’re interested in growing this plant, it’s crucial to source seeds or plants responsibly from reputable native plant nurseries rather than collecting from wild populations.

Should You Grow Utah Suncup?

As a native species, Utah suncup offers several compelling reasons to include it in your desert or xerophytic garden:

  • Supports local ecosystems as part of the natural plant community
  • Requires minimal water once established, perfect for drought-tolerant landscapes
  • Adds authentic regional character to native plant gardens
  • Contributes to biodiversity conservation efforts

However, given its uncertain conservation status and limited availability, this isn’t a plant for every gardener. It’s best suited for dedicated native plant enthusiasts who can source it responsibly and provide appropriate growing conditions.

Growing Conditions and Care

While specific growing information for Utah suncup is limited, we can draw from knowledge of related desert annuals and the plant’s native habitat. Like most desert natives, it likely prefers:

  • Well-draining, sandy or rocky soils
  • Full sun exposure
  • Minimal supplemental watering
  • Areas that mimic its natural desert environment

As an annual, Utah suncup will need to reseed each year, either naturally or through collected seed sowing.

Garden Design Ideas

Utah suncup works best in specialized garden settings:

  • Desert wildflower gardens
  • Native plant preservation collections
  • Educational or botanical garden displays
  • Xerophytic landscape designs

The Bottom Line

Utah suncup represents the fascinating diversity of our native flora, but it’s not your typical garden center find. If you’re drawn to rare native plants and can source this species responsibly, it could be a meaningful addition to a specialized desert garden. However, for most gardeners interested in native desert annuals, more readily available alternatives might be a better choice.

Remember, the best native gardening practices involve working with plants that are both locally appropriate and sustainably sourced. When in doubt, consult with local native plant societies or botanical gardens for guidance on the best species for your specific location and garden goals.

Camissonia scapoidea utahensis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Camissonia scapoidea utahensis is also known as:

Camissonia scapoidea Raven var. utahensis | USDA symbol: CASCU2
Oenothera scapoidea ex & Gray ssp. utahensis | USDA symbol: OESCU

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
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

Subspecies: Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven ssp. utahensis (P.H. Raven) P.H. Raven - Utah suncup

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