Native Plants

American Yellowrocket

Barbarea orthoceras

USDA symbol: BAOR

biennial forb

Alaska: native
Canada: native
Lower 48 states: native

If you’re looking for a tough, no-fuss native plant that thrives in those tricky wet spots in your garden, meet American yellowrocket (Barbarea orthoceras). This cheerful biennial might not win any beauty contests, but it’s a workhorse that brings early-season color and valuable wildlife habitat to challenging garden conditions. American ...

American Yellowrocket: A Hardy Native for Wet Gardens

If you’re looking for a tough, no-fuss native plant that thrives in those tricky wet spots in your garden, meet American yellowrocket (Barbarea orthoceras). This cheerful biennial might not win any beauty contests, but it’s a workhorse that brings early-season color and valuable wildlife habitat to challenging garden conditions.

What is American Yellowrocket?

American yellowrocket is a native North American biennial that belongs to the mustard family. You might also see it listed under its synonyms Barbarea americana or Barbarea orthoceras var. dolichocarpa in older gardening references. As a biennial, this plant has a two-year life cycle—it grows vegetatively in its first year and flowers, sets seed, and completes its cycle in the second year.

Where Does It Naturally Grow?

This adaptable native has one of the most impressive natural ranges you’ll find. American yellowrocket calls home a vast territory spanning from Alaska down through Canada and into the northern United States. You’ll find it naturally occurring in Alberta, British Columbia, Alaska, Manitoba, New Brunswick, Ontario, Quebec, Saskatchewan, Yukon, and the Northwest Territories. In the U.S., it grows in Arizona, California, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Mexico, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming, and even extends into Labrador and Newfoundland.

  • Species observed
  • No observations

Why Consider American Yellowrocket for Your Garden?

Here’s where American yellowrocket really shines—it’s practically bulletproof in wet conditions where many other plants struggle or fail entirely. This plant has different wetland classifications depending on your region, but the story is consistent: it loves moisture. In the Great Plains, Midwest, and Northcentral & Northeast regions, it’s classified as an Obligate Wetland plant, meaning it almost always occurs in wetlands. In Alaska, the Arid West, and Western Mountains regions, it’s considered Facultative Wetland, usually preferring wet spots but tolerating drier conditions.

Perfect Spots for American Yellowrocket

This native is ideal for:

  • Rain gardens and bioswales
  • Wet meadow plantings
  • Pond and stream edges
  • Low-lying areas that stay moist
  • Wetland restoration projects
  • Naturalized landscape areas

Flowers and Pollinator Appeal

Don’t expect showy blooms, but do expect helpful ones. American yellowrocket produces small, bright yellow flowers arranged in terminal clusters during late spring to early summer. These modest flowers are surprisingly valuable to early-season pollinators, including small native bees and beneficial flies that are active when many other plants haven’t started blooming yet.

Growing Conditions and Care

American yellowrocket is remarkably easy to grow if you can provide its preferred conditions:

Sunlight: Full sun to partial shade—quite adaptable

Soil: Consistently moist to wet soils; tolerates seasonal flooding

Hardiness: Extremely cold-hardy, suitable for USDA zones 2-7

Maintenance: Virtually none once established

Planting Tips

The easiest way to establish American yellowrocket is through direct seeding in fall. The seeds need a cold stratification period over winter to germinate properly in spring. Simply scatter seeds in your chosen wet area in late fall and let nature do the work. Once established, this plant readily self-seeds, creating natural colonies over time.

Is American Yellowrocket Right for Your Garden?

Consider American yellowrocket if you have consistently moist to wet areas that challenge other plants. It’s not the plant for formal gardens or dry conditions, but it’s perfect for naturalized landscapes, ecological restoration, and creating wildlife habitat. Its early blooms provide crucial nectar when pollinators need it most, and its ability to thrive in challenging wet conditions makes it invaluable for rain gardens and wetland plantings.

While it may not be the showiest plant in your garden, American yellowrocket earns its place through reliability, native status, and ecological benefits. Sometimes the best garden plants are the ones that simply do their job well, year after year, without any fuss—and that’s exactly what you’ll get with this hardy native.

Barbarea orthoceras is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Barbarea orthoceras is also known as:

Barbarea americana | USDA symbol: BAAM
Barbarea orthoceras var. dolichocarpa | USDA symbol: BAORD

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Alaska ()

Facultative Wetland

Arid West (AZ, CA, CO, ID, MT, NV, NM, OR, TX, UT, WA, WY)

Facultative Wetland

Great Plains (CO, KS, MN, MT, NE, NM, ND, OK, SD, TX, WY)

Obligate Wetland

Midwest (IL, IN, IA, KS, KY, MI, MN, MO, NE, ND, OK, OH, SD, WI)

Obligate Wetland

Northcentral & Northeast ()

Obligate Wetland

Western Mountains, Valleys, and Coast (AZ, CA, CO, ID, MT, NV, NM, OR, SD, UT, WA, WY)

Facultative Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae Burnett - Mustard family
Genus: Barbarea W.T. Aiton - yellowrocket

Species: Barbarea orthoceras Ledeb. - American yellowrocket

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