North America Native Plant

Jared’s Pepperweed

Botanical name: Lepidium jaredii jaredii

USDA symbol: LEJAJ2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Jared’s Pepperweed: A Rare California Native Worth Protecting Meet Jared’s pepperweed (Lepidium jaredii jaredii), one of California’s most elusive native plants. This tiny annual herb might not win any beauty contests, but it holds a special place in the Golden State’s botanical heritage—and unfortunately, it’s becoming increasingly rare. What Makes ...

Rare plant alert!

Region: Conservation status by state

Status: S2T1T2: 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) ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Jared’s Pepperweed: A Rare California Native Worth Protecting

Meet Jared’s pepperweed (Lepidium jaredii jaredii), one of California’s most elusive native plants. This tiny annual herb might not win any beauty contests, but it holds a special place in the Golden State’s botanical heritage—and unfortunately, it’s becoming increasingly rare.

What Makes Jared’s Pepperweed Special?

Jared’s pepperweed is a native California annual that belongs to the mustard family. As a forb (that’s botanist-speak for a non-woody herbaceous plant), it completes its entire life cycle in just one growing season. Like other members of the Lepidium genus, it’s a modest little plant that probably won’t catch your eye unless you’re specifically looking for it.

Where Does It Call Home?

This rare pepperweed is found exclusively in California, making it a true Golden State endemic. Its distribution is extremely limited, which is one of the reasons it’s considered so rare. The plant has earned a Global Conservation Status of S2T1T2, indicating it faces significant conservation concerns.

A Word of Caution: Rarity Alert

Here’s where things get serious, fellow gardeners. Jared’s pepperweed is exceptionally rare, and this rarity comes with responsibility. While we always encourage growing native plants, this particular species requires special consideration:

  • Its extremely limited natural distribution makes every population precious
  • Removing plants or seeds from wild populations could harm already vulnerable communities
  • The species may have very specific habitat requirements that are difficult to replicate

Our recommendation? Unless you have access to responsibly sourced, propagated material (not wild-collected), it’s best to admire this species from afar and focus your garden efforts on more common native alternatives.

Better Alternatives for Your Native Garden

Instead of seeking out rare Jared’s pepperweed, consider these more common and readily available California native alternatives from the mustard family:

  • Common pepperweed (Lepidium nitidum) – another California native that’s more widespread
  • Wild radish (Raphanus sativus) – though technically naturalized, it provides similar ecological benefits
  • Other native mustards like field mustard or winter cress

Conservation Matters

The story of Jared’s pepperweed reminds us that native gardening isn’t just about what we can grow—it’s also about what we should protect in the wild. By choosing more common native species for our gardens, we can:

  • Support local ecosystems without impacting rare populations
  • Learn about native plant cultivation with species that are more forgiving
  • Create habitat that benefits the same pollinators and wildlife that rare species support

The Bigger Picture

While you probably won’t be growing Jared’s pepperweed in your backyard, knowing about it serves an important purpose. It highlights the incredible diversity of California’s native flora and reminds us that some of our most special plants need protection, not cultivation.

If you’re passionate about rare plant conservation, consider supporting local native plant societies, botanical gardens, or conservation organizations that work to protect species like Jared’s pepperweed in their natural habitats. Sometimes the best way to garden with native plants is to help ensure they have safe places to grow wild.

Remember: the goal of native gardening is to work with nature, not against it. In the case of Jared’s pepperweed, working with nature means letting this rare beauty thrive where it belongs—in California’s wild spaces.

Jared’s Pepperweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Lepidium L. - pepperweed

Species

Lepidium jaredii Brandegee - Jared's pepperweed

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