North America Native Plant

Kern Brodiaea

Botanical name: Brodiaea terrestris kernensis

USDA symbol: BRTEK

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Brodiaea coronaria (Salisb.) Engl. var. kernensis Hoover (BRCOK)  âš˜  Brodiaea elegans Hoover var. australis (BRELA)   

Kern Brodiaea: A Rare California Native Worth Protecting in Your Garden If you’re passionate about California native plants and want to add something truly special to your garden, meet the Kern brodiaea (Brodiaea terrestris kernensis). This perennial wildflower is one of those hidden gems that showcases the incredible diversity of ...

Rare plant alert!

Region: Conservation status by state

Status: S4S5T3T4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Kern Brodiaea: A Rare California Native Worth Protecting in Your Garden

If you’re passionate about California native plants and want to add something truly special to your garden, meet the Kern brodiaea (Brodiaea terrestris kernensis). This perennial wildflower is one of those hidden gems that showcases the incredible diversity of California’s native flora, though it comes with some important considerations for the responsible gardener.

What Makes Kern Brodiaea Special

Kern brodiaea is a native California wildflower that belongs to the broader brodiaea family, plants known for their stunning clusters of purple-blue flowers that emerge from grasslands and meadows. As a perennial, this plant returns year after year, making it a valuable long-term addition to native plant gardens.

You might also encounter this plant listed under its synonyms Brodiaea coronaria var. kernensis or Brodiaea elegans var. australis in older botanical references, but Brodiaea terrestris kernensis is the currently accepted scientific name.

Where You’ll Find It in the Wild

This beautiful native is found exclusively in California, representing the Golden State’s incredible plant diversity. Its limited range makes it a true California endemic, adding special significance for gardeners interested in supporting local ecosystems.

A Word About Rarity

Here’s something important every gardener should know: Kern brodiaea has a conservation status of S4S5T3T4. While the exact meaning of this ranking isn’t clearly defined in available resources, any conservation status suggests this plant deserves special consideration. If you’re interested in growing Kern brodiaea, please ensure you source it only from reputable native plant nurseries that propagate their stock responsibly rather than collecting from wild populations.

Why Consider Kern Brodiaea for Your Garden

Native plant enthusiasts will appreciate Kern brodiaea for several reasons:

  • It’s a true California native that supports local ecosystems
  • As a perennial, it provides lasting value in the garden
  • It represents the unique flora of California’s diverse landscapes
  • Growing it helps preserve genetic diversity of native species

The Reality of Growing Kern Brodiaea

Let’s be honest: specific growing information for this particular subspecies is quite limited. Most Brodiaea species prefer well-draining soils and have adapted to California’s Mediterranean climate with wet winters and dry summers. They typically grow from bulbs and may go dormant during the hot, dry summer months – a survival strategy that’s perfectly normal for many California natives.

If you’re determined to grow this special plant, your best bet is to:

  • Contact specialized California native plant nurseries
  • Connect with local native plant societies for growing advice
  • Consider growing other, more readily available Brodiaea species that can provide similar garden value

Supporting California’s Native Plant Heritage

While specific details about Kern brodiaea’s pollinator relationships and wildlife benefits aren’t well-documented, most Brodiaea species support native bees and other pollinators. By choosing to grow California natives like this one, you’re contributing to the preservation of the state’s incredible botanical heritage.

Remember, the most important thing when growing any rare native plant is to source it responsibly. Never collect from wild populations, and always purchase from reputable nurseries that propagate their plants ethically.

The Bottom Line

Kern brodiaea represents the kind of special, localized native plant that makes California’s flora so remarkable. While it may be challenging to find and grow, dedicated native plant gardeners who can source it responsibly will be rewarded with a true piece of California’s natural heritage in their gardens. For most gardeners, exploring other members of the Brodiaea family might be a more practical way to enjoy these beautiful native wildflowers while still supporting local ecosystems.

Kern Brodiaea

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Brodiaea Sm. - brodiaea

Species

Brodiaea terrestris Kellogg - dwarf brodiaea

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