North America Native Plant

Huber’s Pepperweed

Botanical name: Lepidium huberi

USDA symbol: LEHU8

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Huber’s Pepperweed: A Rare Utah Native Worth Protecting Meet Huber’s pepperweed (Lepidium huberi), one of Utah’s most elusive native plants. This little-known perennial herb might not win any beauty contests, but it holds a special place in the hearts of botanists and conservationists who understand just how precious rare plants ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Huber’s Pepperweed: A Rare Utah Native Worth Protecting

Meet Huber’s pepperweed (Lepidium huberi), one of Utah’s most elusive native plants. This little-known perennial herb might not win any beauty contests, but it holds a special place in the hearts of botanists and conservationists who understand just how precious rare plants can be.

What Makes Huber’s Pepperweed Special?

Huber’s pepperweed is what botanists call a forb – essentially a soft-stemmed flowering plant without woody tissue. As a perennial, it returns year after year, though you’d be incredibly lucky to spot one in the wild. This unassuming member of the mustard family produces small white flowers typical of its Lepidium relatives.

A True Utah Native

This plant is as local as they come – Lepidium huberi is found exclusively in Utah, making it what scientists call an endemic species. Its entire world distribution is confined to this single state, which makes it incredibly special from a conservation perspective.

Why You Shouldn’t Plant It (And Why That’s Important)

Here’s where we need to have a serious conversation. Huber’s pepperweed carries a Global Conservation Status of S1S2, which indicates it’s extremely rare and potentially vulnerable. This isn’t a plant you should be trying to grow in your garden, and here’s why:

  • Its rarity means any collection from wild populations could harm the species’ survival
  • We don’t fully understand its specific habitat requirements
  • It’s not available through reputable native plant nurseries
  • Conservation efforts should focus on protecting existing populations

What This Means for Native Plant Enthusiasts

If you’re passionate about Utah natives and want to support local ecosystems, there are plenty of other wonderful options that won’t put rare species at risk. Consider these alternatives that share similar characteristics:

  • Other Lepidium species that are more common
  • Native mustard family plants suited to your specific region
  • Locally abundant wildflowers that support pollinators

How You Can Help

Even though you shouldn’t plant Huber’s pepperweed, you can still play a role in its conservation:

  • Support organizations working on Utah plant conservation
  • Choose responsibly sourced native plants for your garden
  • Report any sightings to local botanists or conservation groups
  • Spread awareness about the importance of protecting rare species

The Bigger Picture

Huber’s pepperweed reminds us that not every native plant is meant for our gardens – and that’s perfectly okay. Sometimes the best thing we can do for a species is simply leave it alone and protect its natural habitat. By choosing more common native alternatives for our landscapes, we can still create beautiful, ecologically valuable gardens while ensuring that rare gems like Huber’s pepperweed have the best chance of surviving for future generations.

Remember: the goal of native gardening isn’t just to grow native plants, but to support the broader conservation of our natural heritage. Sometimes that means admiring from afar and choosing abundance over rarity.

Huber’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 huberi S.L. Welsh & Goodrich - Huber'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