North America Native Plant

Carrotleaf Horkelia

Botanical name: Horkelia daucifolia latior

USDA symbol: HODAL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Carrotleaf Horkelia: A Rare California Native Worth Growing Responsibly If you’re passionate about California native plants and love discovering lesser-known botanical gems, carrotleaf horkelia (Horkelia daucifolia latior) might just capture your heart. This charming perennial forb brings delicate beauty to native gardens while supporting local ecosystems—but it comes with an ...

Rare plant alert!

Region: Conservation status by state

Status: S4T1T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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 ⚘

Carrotleaf Horkelia: A Rare California Native Worth Growing Responsibly

If you’re passionate about California native plants and love discovering lesser-known botanical gems, carrotleaf horkelia (Horkelia daucifolia latior) might just capture your heart. This charming perennial forb brings delicate beauty to native gardens while supporting local ecosystems—but it comes with an important caveat that responsible gardeners need to know about.

What Makes Carrotleaf Horkelia Special

Carrotleaf horkelia is a low-growing perennial that forms attractive mats of finely divided, carrot-like foliage that gives the plant its common name. During its blooming season, clusters of small white to cream-colored flowers create a delicate display that’s both subtle and charming. As a native California forb, it’s perfectly adapted to the state’s Mediterranean climate and represents an authentic piece of the Golden State’s natural heritage.

Where It Calls Home

This native beauty is found exclusively in California, where it thrives in montane and subalpine regions. You’ll typically encounter it in the wild growing in well-draining soils at higher elevations, where it has adapted to the specific conditions of California’s mountain ecosystems.

An Important Conservation Note

Here’s what every potential grower needs to know: carrotleaf horkelia has a conservation status that suggests some level of rarity or concern. This means if you’re interested in growing this plant, you should only obtain it from reputable nurseries that propagate it responsibly rather than collecting from wild populations. Never harvest seeds or plants from natural areas—this helps protect the remaining wild populations for future generations.

Why Grow Carrotleaf Horkelia?

Despite its rarity making acquisition more challenging, there are compelling reasons to seek out this native gem:

  • Perfect for authentic California native plant gardens
  • Attracts and supports native pollinators, particularly small native bees
  • Low-maintenance once established
  • Drought-tolerant, fitting perfectly with water-wise gardening
  • Unique texture and form that adds interest to rock gardens
  • Helps preserve California’s botanical heritage in home landscapes

Growing Conditions and Care

Carrotleaf horkelia thrives in USDA hardiness zones 7-9, making it suitable for much of California’s diverse climate regions. Here’s what this mountain native needs to flourish in your garden:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is absolutely essential—this plant won’t tolerate soggy conditions
  • Water: Drought-tolerant once established, but benefits from occasional deep watering during extended dry periods
  • Soil type: Adapts to various soil types as long as drainage is excellent

Perfect Garden Companions

Carrotleaf horkelia works beautifully in:

  • Native California plant gardens alongside other indigenous species
  • Rock gardens where its low-growing habit creates natural-looking ground cover
  • Mountain-themed landscapes that celebrate California’s high-elevation flora
  • Pollinator gardens focused on supporting native bee populations

Planting and Care Tips

Success with carrotleaf horkelia starts with proper planting:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage—amend heavy soils with coarse sand or gravel if necessary
  • Space plants appropriately to allow for their spreading, mat-forming growth habit
  • Water regularly the first year to help establish roots, then reduce watering frequency
  • Minimal fertilizer needed—native plants often prefer lean soils
  • Deadhead spent flowers if desired, though seeds provide food for wildlife

The Bottom Line

Carrotleaf horkelia offers California gardeners a chance to grow a truly special native plant that supports local ecosystems while adding unique beauty to the landscape. While its rarity means you’ll need to be patient and selective about sourcing, the reward is a distinctive plant that connects your garden to California’s natural heritage. Just remember: always choose nursery-propagated plants and never collect from the wild. This way, you can enjoy this botanical treasure while helping ensure its survival for future generations of both gardeners and native ecosystems.

Carrotleaf Horkelia

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

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Horkelia Cham. & Schltdl. - horkelia

Species

Horkelia daucifolia (Greene) Rydb. - carrotleaf horkelia

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