Non-native Plants

Bristly Oxtongue

Picris echioides

USDA symbol: PIEC

annual forb

Canada: non-native, naturalized
Lower 48 states: non-native, naturalized

If you’ve ever encountered a plant that seems determined to grab your attention (and your clothing) with its bristly, rough texture, you might have met bristly oxtongue. This hardy annual, scientifically known as Picris echioides, is one of those plants that gardeners either learn to appreciate or spend their time ...

Bristly Oxtongue: A Rough-and-Tumble Annual with Yellow Blooms

If you’ve ever encountered a plant that seems determined to grab your attention (and your clothing) with its bristly, rough texture, you might have met bristly oxtongue. This hardy annual, scientifically known as Picris echioides, is one of those plants that gardeners either learn to appreciate or spend their time trying to remove. Let’s dive into what makes this distinctive forb tick and whether it deserves a spot in your landscape.

What Exactly Is Bristly Oxtongue?

Bristly oxtongue is an annual forb belonging to the sunflower family. True to its name, this plant is covered in stiff, bristly hairs that give it a notably rough texture. The plant produces cheerful yellow, daisy-like flowers that bloom throughout much of the growing season, creating bright splashes of color in areas where it establishes.

As a non-native species originally from the Mediterranean region and parts of Europe, bristly oxtongue has made itself at home across much of North America. It’s one of those plants that doesn’t need an invitation – it reproduces readily on its own and has established persistent populations in both Canada and the United States.

Where You’ll Find It Growing

Bristly oxtongue has spread widely across North America, establishing itself in numerous states and provinces including Alberta, British Columbia, California, Ontario, Connecticut, Illinois, Massachusetts, Oregon, Washington, and many others. It’s particularly common along roadsides, in disturbed areas, and in places where the soil has been disrupted.

  • Species observed
  • No observations

The Garden Reality Check

Here’s where we need to have an honest conversation: bristly oxtongue isn’t typically something you’d find at your local garden center, and there’s a good reason for that. While it does have some redeeming qualities, it’s generally considered more of a weedy species than a desirable garden plant.

Growing Conditions and Hardiness

If bristly oxtongue does end up in your garden (whether invited or not), you’ll find it’s remarkably adaptable:

  • Thrives in full sun conditions
  • Tolerates poor, disturbed soils
  • Handles drought conditions well once established
  • Shows varying wetland preferences depending on region – facultative in western areas, preferring upland sites in most other regions
  • Self-seeds readily without assistance

The Pollinator Perspective

One positive aspect of bristly oxtongue is that its yellow flowers do provide nectar and pollen for various pollinators, including bees and butterflies. During its blooming period, you might notice these beneficial insects visiting the flowers, especially in areas where other floral resources are limited.

To Plant or Not to Plant?

Given its weedy nature and non-native status, most gardeners would be better served by choosing native alternatives that provide similar benefits without the potential drawbacks. If you’re looking for yellow-flowered native plants that support pollinators, consider options like:

  • Native sunflowers (Helianthus species)
  • Goldenrods (Solidago species)
  • Black-eyed Susan (Rudbeckia species)
  • Native asters with yellow blooms

These alternatives will give you beautiful flowers while supporting your local ecosystem more effectively.

Managing Bristly Oxtongue

If bristly oxtongue has already established itself in your landscape, you have several options. As an annual, it completes its life cycle in one growing season, so preventing seed production can help control future populations. Hand-pulling is effective for small numbers of plants (just wear gloves due to those bristly hairs!), and mowing before seed set can reduce spread.

The Bottom Line

While bristly oxtongue is a hardy, adaptable plant with some pollinator value, it’s not typically a plant that gardeners actively seek out. Its rough texture, weedy growth habit, and non-native status make it less desirable than many alternatives. If you’re planning your garden, you’ll likely find better options among native species that provide similar benefits while supporting your local ecosystem more effectively.

That said, if you encounter this distinctive plant in the wild, you can appreciate it for what it is – a resilient species that adds its own rough-around-the-edges character to disturbed landscapes, complete with cheerful yellow blooms that don’t give up easily.

Picris echioides 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. Picris echioides is also known as:

Helminthotheca echioides | USDA symbol: HEEC3

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

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

Facultative

Atlantic and Gulf Coastal Plain (AL, AR, DC, DE, FL, GA, IL, KY, LA, MD, MS, MO, NC, NJ, OK, PA, SC, TN, TX, VA)

Obligate Upland

Eastern Mountains and Piedmont (AL, AR, DC, DE, GA, IL, IN, KS, KY, MD, MO, NC, NJ, NY, OH, OK, PA, SC, TN, VA, WV)

Obligate Upland

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

Obligate Upland

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

Obligate Upland

Northcentral & Northeast ()

Obligate Upland

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

Facultative
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: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Picris L. - oxtongue

Species: Picris echioides L. - bristly oxtongue

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