North America Native Plant

Utah Suncup

Botanical name: Camissonia scapoidea utahensis

USDA symbol: CASCU

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven var. utahensis (P.H. Raven) S.L. Welsh (CASCU2)  âš˜  Oenothera scapoidea Nutt. ex Torr. & A. Gray ssp. utahensis P.H. Raven (OESCU)   

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. ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from 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.

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.

Utah 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