North America Native Plant

Shredding Suncup

Botanical name: Camissonia boothii condensata

USDA symbol: CABOC

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Camissonia boothii (Douglas ex Lehm.) P.H. Raven var. condensata (Munz) Cronquist (CABOC2)  âš˜  Oenothera boothii Douglas ex Lehm. ssp. condensata (Munz) Munz (OEBOC)  âš˜  Oenothera decorticans (Hook. & Arn.) Greene var. condensata Munz (OEDEC6)   

Shredding Suncup: A Native Annual Worth Knowing Meet the shredding suncup (Camissonia boothii condensata), a charming native annual that belongs to the evening primrose family. While this little wildflower might not be the showiest plant in your garden center, it’s a true native gem that deserves some recognition from gardeners ...

Shredding Suncup: A Native Annual Worth Knowing

Meet the shredding suncup (Camissonia boothii condensata), a charming native annual that belongs to the evening primrose family. While this little wildflower might not be the showiest plant in your garden center, it’s a true native gem that deserves some recognition from gardeners who appreciate authentic regional flora.

What Makes Shredding Suncup Special?

This delightful forb is a native species to the lower 48 United States, making it a perfect choice for gardeners who want to support local ecosystems. As an annual plant, shredding suncup completes its entire life cycle in one growing season, which means it puts on a show, sets seed, and then gracefully bows out until next year.

Being classified as a forb means this plant is herbaceous – it lacks the woody stems of shrubs and trees but makes up for it with its soft, non-woody growth habit. Think of it as nature’s way of creating a low-maintenance, seasonal display.

Where Does It Call Home?

Shredding suncup has made itself at home across the American Southwest, thriving in Arizona, California, Nevada, and Utah. This distribution tells us quite a bit about the plant’s preferences – it’s adapted to the unique conditions of these western states, from desert valleys to mountain foothills.

Should You Grow Shredding Suncup?

As a native species, shredding suncup offers several advantages for the eco-conscious gardener:

  • It’s naturally adapted to regional climate conditions
  • Supports local wildlife and ecosystem relationships
  • Requires minimal intervention once established
  • Adds authentic regional character to native plant gardens

However, this plant comes with some considerations. As an annual, you’ll need to either collect and sow seeds each year or allow it to self-seed naturally. Additionally, specific information about its growing requirements and garden performance is limited, which means some experimentation may be needed.

Growing Tips and Considerations

While detailed cultivation information for this specific variety is scarce, we can make some educated guesses based on its native habitat and family characteristics:

  • Given its southwestern distribution, it likely prefers well-draining soils
  • As a desert native, it probably tolerates drought conditions well
  • Full sun exposure would be typical for plants from this region
  • Plant seeds in fall or early spring for best germination

A Word of Caution

Before adding shredding suncup to your garden, keep in mind that information about this particular variety is quite limited. While it’s a native species (which is always a plus!), you might want to start with better-documented native alternatives if you’re new to native gardening. Consider reaching out to local native plant societies or botanical gardens in Arizona, California, Nevada, or Utah for more specific growing advice.

The Bottom Line

Shredding suncup represents the kind of understated native beauty that makes regional gardening so rewarding. While it may not have the flashy appeal of hybrid garden centers favorites, it offers something more valuable – a genuine connection to the natural heritage of the American Southwest. If you’re willing to experiment and learn alongside this lesser-known native, you might just discover a new appreciation for the subtle charms of our indigenous flora.

Shredding 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