North America Native Plant

Desert Suncup

Botanical name: Camissonia boothii desertorum

USDA symbol: CABOD2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Camissonia boothii (Douglas ex Lehm.) P.H. Raven var. desertorum (Munz) Cronquist (CABOD4)  âš˜  Camissonia boothii (Douglas ex Lehm.) P.H. Raven ssp. inyoensis (Munz) Munz (CABOI2)  âš˜  Oenothera boothii Douglas ex Lehm. ssp. desertorum (Munz) Munz (OEBOD2)  âš˜  Oenothera boothii Douglas ex Lehm. ssp. inyoensis Munz (OEBOI)  âš˜  Oenothera decorticans (Hook. & Arn.) Greene var. desertorum Munz (OEDED2)   

Desert Suncup: A Charming Native Annual for Western Gardens If you’re looking to add a touch of desert charm to your garden, the desert suncup might just be the perfect native wildflower for you. This delightful annual brings a splash of color to arid landscapes while supporting local ecosystems in ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 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. ⚘

Desert Suncup: A Charming Native Annual for Western Gardens

If you’re looking to add a touch of desert charm to your garden, the desert suncup might just be the perfect native wildflower for you. This delightful annual brings a splash of color to arid landscapes while supporting local ecosystems in California and Nevada.

What is Desert Suncup?

Desert suncup (Camissonia boothii desertorum) is a native annual forb that belongs to the evening primrose family. Unlike woody shrubs or trees, this herbaceous plant completes its entire life cycle in a single growing season, making it a fantastic choice for gardeners who enjoy seasonal variety in their landscapes.

This native beauty is also known by several scientific synonyms, including Oenothera boothii ssp. desertorum, reflecting its close relationship to the evening primrose genus. Don’t let the scientific name shuffle confuse you – it’s all the same charming desert bloomer!

Where Does Desert Suncup Call Home?

Desert suncup is native to the southwestern United States, specifically thriving in California and Nevada. This regional specialist has adapted perfectly to the unique growing conditions of these desert and semi-desert regions.

Why Consider Growing Desert Suncup?

There are several compelling reasons to welcome desert suncup into your garden:

  • True native credentials: Supporting local ecosystems by growing plants that naturally belong in your region
  • Low maintenance: As an annual adapted to arid conditions, it typically requires minimal intervention once established
  • Seasonal interest: Provides blooms during its growing season, then naturally dies back
  • Ecological value: Supports native wildlife and pollinators that have co-evolved with this species

Important Conservation Note

Desert suncup has a conservation status that suggests it may be uncommon in parts of its range. If you’re interested in growing this native beauty, please ensure you source seeds or plants from reputable native plant nurseries that collect responsibly and sustainably. Never collect from wild populations.

Garden Design and Landscape Use

As a forb (non-woody flowering plant), desert suncup works wonderfully in:

  • Native plant gardens focused on regional flora
  • Wildflower meadows and naturalized areas
  • Rock gardens and xeriscaped landscapes
  • Seasonal color displays in drought-tolerant gardens

Since it’s an annual, consider pairing it with perennial natives that will provide structure when the desert suncup completes its cycle.

Growing Conditions and Care

While specific growing requirements for this particular subspecies aren’t widely documented, desert suncups generally prefer:

  • Well-draining soils (essential for most desert natives)
  • Full sun exposure
  • Minimal water once established
  • Sandy or rocky soil conditions that mimic their native habitat

Being native to California and Nevada, this plant is likely suited to USDA hardiness zones typical of these regions, generally zones 8-10, though specific zone tolerance may vary.

Planting Tips for Success

Since desert suncup is an annual, growing it successfully often comes down to timing and location:

  • Plant seeds in fall or early spring when natural rainfall occurs in desert regions
  • Choose a sunny location with excellent drainage
  • Avoid overwatering – these plants are adapted to arid conditions
  • Allow plants to self-seed for natural populations in following years

The Bottom Line

Desert suncup offers western gardeners a chance to grow a true regional native that supports local ecosystems. While it may not be the showiest garden plant, its authentic native status and ecological value make it a worthy addition to wildlife-friendly, low-water landscapes. Just remember to source it responsibly and give it the well-drained, sunny conditions it craves.

If you’re in California or Nevada and want to create habitat for local wildlife while celebrating your region’s natural heritage, desert suncup deserves a spot in your native plant collection.

Desert 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 boothii (Douglas ex Lehm.) P.H. Raven - Booth's evening primrose

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