North America Native Plant

Kern Larkspur

Botanical name: Delphinium hansenii kernense

USDA symbol: DEHAK

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Delphinium hansenii (Greene) Greene var. kernense Davidson (DEHAK2)   

Kern Larkspur: A Rare California Native Worth Protecting Meet Kern larkspur (Delphinium hansenii kernense), a fascinating native wildflower that calls California home. This lesser-known member of the buttercup family might not be gracing garden center shelves anytime soon, but it’s definitely worth understanding – especially if you’re passionate about preserving ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Kern Larkspur: A Rare California Native Worth Protecting

Meet Kern larkspur (Delphinium hansenii kernense), a fascinating native wildflower that calls California home. This lesser-known member of the buttercup family might not be gracing garden center shelves anytime soon, but it’s definitely worth understanding – especially if you’re passionate about preserving California’s unique botanical heritage.

What Makes Kern Larkspur Special?

Kern larkspur is what botanists call a forb – basically a fancy way of saying it’s an herbaceous perennial that doesn’t develop woody stems like shrubs or trees. Think of it as California’s version of a wildflower meadow star, returning year after year with its distinctive larkspur blooms.

This plant goes by the scientific name Delphinium hansenii kernense, and you might also see it listed as Delphinium hansenii var. kernense in older botanical references. Either way, you’re looking at the same unique California native.

Where Does It Call Home?

Kern larkspur is endemic to California, making it a true Golden State original. As its common name suggests, this plant has strong ties to the Kern County region, though its exact distribution within the state requires more detailed study.

Should You Plant Kern Larkspur?

Here’s where things get a bit complicated, and frankly, quite important. Kern larkspur carries a conservation status of S4T3?, which indicates some level of rarity or conservation concern. While the exact meaning of this status is undefined in technical terms, it suggests this plant deserves careful consideration.

Our recommendation? If you’re interested in growing Kern larkspur, proceed with caution and responsibility:

  • Only obtain plants or seeds from reputable native plant suppliers who can guarantee ethical sourcing
  • Never collect plants or seeds from wild populations
  • Consider this plant only if you’re committed to supporting California native plant conservation
  • Consult with local native plant societies or conservation organizations first

Growing Conditions and Care

Unfortunately, specific cultivation information for Kern larkspur is limited, which isn’t uncommon for rare native plants that haven’t been widely studied in garden settings. What we do know is that as a California native perennial, it likely prefers:

  • Well-draining soils typical of California’s natural landscapes
  • Seasonal watering patterns that mimic natural rainfall
  • Minimal summer irrigation once established
  • Growing conditions similar to its natural habitat

Alternative Native Options

If you’re drawn to the idea of growing native larkspurs but want to avoid potential conservation concerns, consider these more common California native alternatives:

  • Red larkspur (Delphinium nudicaule)
  • Coast larkspur (Delphinium decorum)
  • Royal larkspur (Delphinium variegatum)

These species offer similar aesthetic appeal while being more readily available through ethical sources.

Supporting Conservation

The story of Kern larkspur reminds us that California’s botanical diversity includes many plants that exist in limited numbers or specific locations. Rather than focusing solely on cultivation, consider supporting conservation efforts through:

  • Donating to native plant conservation organizations
  • Volunteering for habitat restoration projects
  • Choosing common native plants for your garden
  • Spreading awareness about rare native species

Sometimes the best way to appreciate a rare plant like Kern larkspur is to ensure it continues thriving in its natural habitat while we cultivate more common native alternatives in our gardens. That’s a win-win for both gardeners and conservation!

Kern Larkspur

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Delphinium L. - larkspur

Species

Delphinium hansenii (Greene) Greene - Eldorado larkspur

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