North America Native Plant

Veiny Pepperweed

Botanical name: Lepidium oblongum

USDA symbol: LEOB

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Native to the lower 48 states  

Veiny Pepperweed: A Hardy Native with Subtle Charm If you’re looking for a low-maintenance native plant that won’t steal the spotlight but will quietly contribute to your garden’s ecosystem, veiny pepperweed (Lepidium oblongum) might just be your unsung hero. This modest member of the mustard family proves that not every ...

Veiny Pepperweed: A Hardy Native with Subtle Charm

If you’re looking for a low-maintenance native plant that won’t steal the spotlight but will quietly contribute to your garden’s ecosystem, veiny pepperweed (Lepidium oblongum) might just be your unsung hero. This modest member of the mustard family proves that not every garden star needs to be flashy – sometimes the best performers are the ones that simply show up, do their job, and ask for very little in return.

What Is Veiny Pepperweed?

Veiny pepperweed is an annual or biennial forb – that’s garden-speak for a non-woody plant that completes its life cycle in one or two years. As a forb, it lacks the woody stems of shrubs and trees, instead producing soft, herbaceous growth that dies back each year. Don’t let its humble status fool you, though – this little plant packs plenty of ecological punch into its compact frame.

Where Does It Call Home?

This hardy native has made itself at home across a impressive swath of the United States, from the arid Southwest to the humid Southeast. You’ll find veiny pepperweed growing naturally in Arizona, Arkansas, California, Kansas, Louisiana, Mississippi, Nebraska, New Mexico, Oklahoma, Oregon, South Carolina, and Texas. Interestingly, it’s also established itself in Hawaii, where it’s considered non-native but has naturalized successfully.

Should You Grow Veiny Pepperweed?

Here’s the honest truth: veiny pepperweed isn’t going to win any beauty contests. Its small white flowers, while charming up close, won’t create the dramatic impact of a showy wildflower display. However, there are several compelling reasons to consider adding it to your garden:

  • Incredibly low maintenance – Once established, it practically takes care of itself
  • Drought tolerant – Perfect for water-wise gardening
  • Supports pollinators – Small bees and beneficial insects appreciate its modest blooms
  • Self-seeding – Will naturalize in appropriate conditions
  • Native plant benefits – Supports local ecosystems in most of its range

Garden Role and Design Applications

Think of veiny pepperweed as a supporting actor rather than the leading star. It works beautifully in:

  • Native plant gardens where authenticity matters more than showiness
  • Xerophytic or drought-tolerant landscapes
  • Naturalized areas where you want a wild look
  • Pollinator gardens as part of a diverse plant community
  • Areas where you need ground cover but don’t want aggressive spreaders

Growing Conditions and Care

One of veiny pepperweed’s greatest virtues is its adaptability. This plant thrives in USDA hardiness zones 4 through 9, making it suitable for a wide range of climates. Here’s what it needs to flourish:

  • Sunlight: Full sun is preferred, though it can tolerate some light shade
  • Soil: Well-drained soils are essential – it’s not picky about soil type but hates wet feet
  • Water: Drought tolerant once established; overwatering is more harmful than underwatering
  • Maintenance: Virtually none required after establishment

Planting and Care Tips

Growing veiny pepperweed is refreshingly straightforward:

  • Direct sow seeds in fall or early spring when temperatures are cool
  • Barely cover seeds with soil – they need some light to germinate
  • Water lightly until germination, then reduce watering frequency
  • Thin seedlings if they come up too thickly
  • Let it self-seed if you want it to naturalize in your garden

Pollinator and Wildlife Benefits

While veiny pepperweed may not attract large, showy butterflies, it serves an important role in supporting smaller pollinators. Native bees, beneficial wasps, and other tiny insects rely on plants like this for nectar and pollen. In the grand web of garden ecology, these modest contributors often prove more valuable than their flashier neighbors.

The Bottom Line

Veiny pepperweed isn’t for gardeners seeking instant gratification or dramatic focal points. It’s for those who appreciate the quiet beauty of native plants and understand that a healthy ecosystem depends on both the stars and the supporting cast. If you’re creating a native plant garden, working with challenging growing conditions, or simply want to support local pollinators without much fuss, this unassuming little plant deserves a spot in your garden.

Remember, the best gardens aren’t always the showiest ones – sometimes they’re the ones that work in harmony with nature, supporting wildlife while requiring minimal resources. Veiny pepperweed embodies this philosophy perfectly, proving that sometimes the most valuable plants are the ones that simply do their job well, year after year, without asking for applause.

Veiny 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 oblongum Small - veiny pepperweed

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