North America Native Plant

Blackseed Plantain

Botanical name: Plantago rugelii var. asperula

USDA symbol: PLRUA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Blackseed Plantain: A Regional Native Worth Knowing If you’re gardening in the heartland of America and looking for truly local native plants, you might want to get acquainted with blackseed plantain (Plantago rugelii var. asperula). This perennial forb represents one of nature’s more understated offerings – not flashy, but certainly ...

Blackseed Plantain: A Regional Native Worth Knowing

If you’re gardening in the heartland of America and looking for truly local native plants, you might want to get acquainted with blackseed plantain (Plantago rugelii var. asperula). This perennial forb represents one of nature’s more understated offerings – not flashy, but certainly authentic to its region.

What Makes This Plant Special

Blackseed plantain belongs to the plantain family, and like its relatives, it’s built for practicality rather than pizzazz. As a native herbaceous perennial, this plant has been quietly doing its thing in the American landscape long before European settlers arrived with their more familiar plantain cousins.

What sets this variety apart is its very specific geographic footprint. Unlike many native plants that spread across multiple regions, Plantago rugelii var. asperula calls just two states home: Indiana and Kentucky. This limited distribution makes it a true regional specialty – think of it as the native plant equivalent of a local craft beer.

Should You Plant It?

Here’s where things get a bit tricky. While blackseed plantain is undeniably native and theoretically garden-worthy, finding detailed information about this specific variety proves challenging. This could mean a few things:

  • It’s a subtle variety that hasn’t caught the attention of mainstream gardening
  • It may be quite rare or specialized in its habitat needs
  • It might be so similar to other plantains that it’s often overlooked

If you’re in Indiana or Kentucky and committed to using only the most locally appropriate plants, this could be an intriguing choice. However, given the limited available information, you might want to consider it an advanced native gardening project rather than a beginner-friendly option.

What We Know About Growing Conditions

As a perennial forb, blackseed plantain likely shares some characteristics with other plantains. These plants typically:

  • Prefer disturbed soils and edge habitats
  • Tolerate a range of soil conditions
  • Handle foot traffic reasonably well
  • Produce inconspicuous flower spikes

However, without specific growing information for this variety, successful cultivation would require some experimentation and observation.

The Bottom Line

Blackseed plantain represents an interesting piece of regional flora that serious native plant enthusiasts in Indiana and Kentucky might want to investigate further. Its very limited distribution suggests it could be an important component of local ecosystems, but the lack of readily available cultivation information means growing it successfully might require connecting with local native plant societies, botanical gardens, or extension services.

If you’re just starting your native gardening journey, you might want to begin with better-documented regional natives before tackling this particular variety. But if you’re already comfortable with native plants and enjoy a good horticultural mystery, blackseed plantain could be a fascinating addition to your local plant exploration.

Remember, the best native gardens often include a mix of well-known workhorses and lesser-known regional specialties. Sometimes the quiet, unassuming plants prove to be the most valuable members of the ecosystem – even if they don’t make the cover of gardening magazines.

Blackseed Plantain

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Plantaginales

Family

Plantaginaceae Juss. - Plantain family

Genus

Plantago L. - plantain

Species

Plantago rugelii Decne. - blackseed plantain

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