North America Native Plant

Twoleaf Springparsley

Botanical name: Cymopterus coulteri

USDA symbol: CYCO5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Twoleaf Springparsley: A Hidden Gem for Native Plant Enthusiasts If you’re passionate about native plants and love discovering botanical treasures, let me introduce you to twoleaf springparsley (Cymopterus coulteri). This charming little perennial might not be on every gardener’s radar, but it’s a fascinating native species that deserves serious consideration—with ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Twoleaf Springparsley: A Hidden Gem for Native Plant Enthusiasts

If you’re passionate about native plants and love discovering botanical treasures, let me introduce you to twoleaf springparsley (Cymopterus coulteri). This charming little perennial might not be on every gardener’s radar, but it’s a fascinating native species that deserves serious consideration—with some important caveats we’ll discuss.

What Makes Twoleaf Springparsley Special?

Twoleaf springparsley is a delicate forb that belongs to the carrot family, producing clusters of tiny white flowers that dance above finely divided, fernlike foliage. As a low-growing perennial, it forms attractive rosettes that hug the ground, making it perfect for rock gardens and native plant collections. The plant gets its common name from its distinctive two-parted leaves, though don’t let the parsley part fool you—this isn’t something you’d want to toss in your pasta sauce!

Where Does It Call Home?

This native beauty is endemic to Utah, meaning it’s found naturally nowhere else in the world. Within Utah, twoleaf springparsley has a relatively limited range, primarily in the southeastern parts of the state. It’s adapted to the unique growing conditions of this region, thriving in the well-draining soils and intense sun of the high desert.

A Word of Caution: Rarity Matters

Here’s where things get important: twoleaf springparsley has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21 to 100 known occurrences and an estimated 3,000 to 10,000 individuals in the wild, this plant is genuinely rare. If you’re considering adding it to your garden, you absolutely must source it responsibly from reputable native plant nurseries or seed companies that collect ethically—never dig plants from the wild or collect seeds without proper permits.

Garden Appeal and Design Uses

Despite its rarity in nature, twoleaf springparsley can be a wonderful addition to the right garden setting. Its delicate spring blooms provide early-season interest, while the fine-textured foliage adds subtle beauty throughout the growing season. This plant shines in:

  • Rock gardens and alpine collections
  • Native plant demonstration gardens
  • Xeriscapes and drought-tolerant landscapes
  • Specialized collections of rare or endemic plants

Growing Conditions and Care

Like many plants from Utah’s high desert, twoleaf springparsley appreciates conditions that mimic its natural habitat. Here’s what it needs to thrive:

Sunlight: Full sun is essential for healthy growth and flowering.

Soil: Well-draining sandy or rocky soil is crucial. This plant absolutely cannot tolerate soggy conditions, so if you have heavy clay soil, consider raised beds or containers with a sandy, gravelly mix.

Water: Once established, this drought-tolerant native needs very little supplemental water. In fact, overwatering is probably the fastest way to kill it. Water deeply but infrequently, allowing the soil to dry out between waterings.

Climate: Hardy in USDA zones 4-8, twoleaf springparsley can handle cold winters but needs protection from excessive moisture during dormancy.

Planting and Care Tips

Starting twoleaf springparsley from seed is your best bet, as it typically doesn’t transplant well once established. Sow seeds in fall for natural cold stratification, or cold-treat them in the refrigerator for several weeks before spring planting. Plant in a location with excellent drainage—consider adding coarse sand or fine gravel to your soil mix.

Once established, this low-maintenance native requires minimal care. Avoid fertilizing, as rich soils can actually harm the plant. Simply provide occasional deep watering during extended drought periods and resist the urge to pamper it—this tough little plant prefers to be left alone!

Supporting Pollinators and Wildlife

While small in stature, twoleaf springparsley plays its part in supporting native ecosystems. Its early spring flowers provide nectar for small native bees and other pollinators when few other blooms are available. By growing this plant, you’re not just adding beauty to your garden—you’re helping preserve a piece of Utah’s unique botanical heritage.

The Bottom Line

Twoleaf springparsley isn’t for every gardener or every garden, but for those passionate about native plants and conservation, it offers a unique opportunity to grow something truly special. Just remember: source responsibly, provide excellent drainage, and give it the respect this rare native deserves. With proper care and the right growing conditions, you’ll have a living connection to Utah’s remarkable flora right in your own backyard.

Twoleaf 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 coulteri (M.E. Jones) Mathias - twoleaf springparsley

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