North America Native Plant

Ripley’s Springparsley

Botanical name: Cymopterus ripleyi

USDA symbol: CYRI2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cymopterus ripleyi Barneby var. saniculoides (CYRIS)   

Ripley’s Springparsley: A Rare Desert Gem for Specialized Gardens If you’re drawn to the subtle beauty of desert wildflowers and have a passion for rare native plants, Ripley’s springparsley (Cymopterus ripleyi) might just capture your heart. This delicate perennial forb brings an understated elegance to arid landscapes with its finely ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ 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 ⚘

Region: Conservation status by state

Ripley’s Springparsley: A Rare Desert Gem for Specialized Gardens

If you’re drawn to the subtle beauty of desert wildflowers and have a passion for rare native plants, Ripley’s springparsley (Cymopterus ripleyi) might just capture your heart. This delicate perennial forb brings an understated elegance to arid landscapes with its finely divided foliage and clusters of tiny white flowers that dance in the desert breeze each spring.

A True Native with Limited Range

Ripley’s springparsley is a proud native of the American Southwest, calling only California and Nevada home. This specialized plant has adapted to life in some of our most challenging desert environments, making it a true testament to nature’s resilience and ingenuity.

Important Conservation Note

Before we dive into growing tips, there’s something crucial every gardener should know: Ripley’s springparsley carries a conservation status of S3, meaning it’s considered vulnerable in the wild. With typically only 21 to 100 occurrences and between 3,000 to 10,000 individuals remaining, this little beauty needs our protection. If you choose to grow it, please ensure you source plants or seeds only from reputable native plant nurseries that ethically propagate their stock—never collect from wild populations.

What Makes This Plant Special

Ripley’s springparsley is what botanists call a forb—essentially a non-woody perennial herb that dies back to ground level each year but returns reliably from its roots. The plant forms attractive low rosettes of deeply divided, almost feathery foliage that creates beautiful texture in the garden even when not in bloom.

Come spring, delicate umbels of small white to cream-colored flowers emerge, creating a soft, ethereal display that’s particularly stunning when planted in drifts. These blooms are magnets for small native bees, beneficial wasps, and other tiny pollinators that are often overlooked but play vital roles in desert ecosystems.

Is This Plant Right for Your Garden?

Ripley’s springparsley isn’t for every garden or every gardener—and that’s perfectly okay! This plant thrives in very specific conditions and is best suited for:

  • Xeriscape and water-wise gardens
  • Desert-themed landscapes
  • Rock gardens with excellent drainage
  • Native plant collections
  • Pollinator gardens in arid regions

If you’re looking for a high-impact, showy plant or live in a humid climate, this might not be your best choice. However, for gardeners in USDA zones 8-10 who appreciate subtle beauty and want to support rare native species, it could be perfect.

Growing Conditions and Care

Think desert minimalism when it comes to caring for Ripley’s springparsley. This plant has evolved to thrive with very little, and too much care can actually harm it.

Sunlight: Full sun is essential. This plant needs bright, direct sunlight for most of the day to perform its best.

Soil: Well-draining sandy or gravelly soil is absolutely critical. If your soil holds water, consider creating a raised bed or rock garden with amended drainage.

Water: Once established, this plant requires very little supplemental water. Overwatering is one of the quickest ways to lose it.

Climate: Best suited for USDA hardiness zones 8-10, particularly in areas with hot, dry summers and mild winters.

Planting and Establishment Tips

Success with Ripley’s springparsley starts with timing and preparation:

  • Plant in fall to allow roots to establish during cooler months
  • Ensure drainage is perfect—consider adding coarse sand or small gravel to planting areas
  • Space plants appropriately to allow air circulation
  • Water sparingly during establishment, then reduce to minimal irrigation
  • Avoid fertilizers, which can encourage soft growth unsuitable for desert conditions

A Plant Worth Protecting

Growing Ripley’s springparsley is more than just adding another plant to your garden—it’s participating in conservation. By cultivating this rare native in appropriate garden settings, you’re helping ensure that future generations can appreciate its quiet beauty while reducing pressure on wild populations.

While it may not be the easiest plant to grow or the showiest in your garden, Ripley’s springparsley offers something special: a connection to the unique desert ecosystems of the American Southwest and the satisfaction of successfully growing a plant that few gardeners ever attempt. For the right gardener in the right place, that’s worth its weight in gold.

Ripley’s Springparsley

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

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Cymopterus Raf. - springparsley

Species

Cymopterus ripleyi Barneby - Ripley's springparsley

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