North America Native Plant

Barrett’s Beardtongue

Botanical name: Penstemon barrettiae

USDA symbol: PEBA7

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Barrett’s Beardtongue: A Rare Pacific Northwest Treasure Worth Protecting If you’re passionate about native plants and conservation, Barrett’s beardtongue (Penstemon barrettiae) deserves a special place on your radar. This stunning perennial wildflower is a true gem of the Pacific Northwest, but it comes with an important conservation story that every ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Barrett’s Beardtongue: A Rare Pacific Northwest Treasure Worth Protecting

If you’re passionate about native plants and conservation, Barrett’s beardtongue (Penstemon barrettiae) deserves a special place on your radar. This stunning perennial wildflower is a true gem of the Pacific Northwest, but it comes with an important conservation story that every gardener should know.

What Makes Barrett’s Beardtongue Special?

Barrett’s beardtongue is a native perennial herb that produces gorgeous purple-blue tubular flowers from late spring into early summer. As a member of the snapdragon family, it shares that classic beardtongue flower shape that pollinators absolutely adore. This low-growing beauty typically reaches 6-12 inches in height and spreads slowly to form attractive clumps.

What sets this species apart isn’t just its beauty—it’s also its incredible rarity. Barrett’s beardtongue has a Global Conservation Status of S2, meaning it’s considered Imperiled due to its extremely limited distribution and small population numbers.

Where Does It Grow Naturally?

This rare wildflower calls the Columbia River Gorge region home, growing naturally only in Oregon and Washington. Its native range is quite limited, which contributes to its conservation concern status. In the wild, you’ll find it clinging to rocky slopes and cliff faces, often in areas that seem impossible for plants to survive.

Why Consider Growing Barrett’s Beardtongue?

Despite its rarity—or perhaps because of it—there are compelling reasons to consider adding this plant to your garden:

  • Conservation value: Growing rare natives helps preserve genetic diversity and supports conservation efforts
  • Pollinator magnet: Hummingbirds, native bees, and butterflies are drawn to its nectar-rich flowers
  • Drought tolerance: Once established, it requires minimal water—perfect for sustainable gardening
  • Unique beauty: Its stunning flowers and compact growth habit make it a conversation starter
  • Rock garden star: Ideal for challenging spots where other plants might struggle

Important Conservation Considerations

Please read this carefully: Given Barrett’s beardtongue’s imperiled status, it’s crucial that you only obtain plants from reputable native plant nurseries that use ethically sourced seed or propagated material. Never harvest plants or seeds from wild populations, as this could harm the already vulnerable natural communities.

Look for nurseries that specialize in Pacific Northwest natives and can verify their sourcing practices. Some botanical gardens and native plant societies also offer plant sales featuring responsibly propagated rare species.

Growing Barrett’s Beardtongue Successfully

The good news is that while rare in nature, Barrett’s beardtongue can thrive in cultivation when given the right conditions. Here’s how to help it flourish:

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade (morning sun is especially beneficial)
  • Soil: Well-draining soil is absolutely essential—it cannot tolerate wet feet
  • Water: Drought-tolerant once established, but provide regular water the first year
  • USDA Zones: Hardy in zones 5-8

Planting and Care Tips

  • Plant in spring or fall when temperatures are moderate
  • Amend heavy clay soils with coarse sand or gravel to improve drainage
  • Space plants 12-18 inches apart to allow for natural spreading
  • Mulch lightly with gravel or small stones rather than organic mulch
  • Deadhead spent flowers to encourage continued blooming
  • Divide clumps every 3-4 years in early spring

Perfect Garden Companions

Barrett’s beardtongue shines in rock gardens, native plant displays, and drought-tolerant landscapes. It pairs beautifully with other Pacific Northwest natives like Oregon sunshine, wild buckwheat, and native sedums. Consider it for slopes, raised beds, or anywhere you need a low-maintenance plant with big visual impact.

The Bottom Line

Barrett’s beardtongue offers gardeners a chance to grow something truly special while supporting conservation efforts. Its stunning flowers, wildlife benefits, and easy-care nature make it a worthwhile addition to any native plant garden. Just remember to source it responsibly—this rare beauty deserves our protection both in the wild and in cultivation.

By choosing to grow Barrett’s beardtongue, you’re not just adding beauty to your landscape; you’re becoming part of a conservation effort to preserve one of the Pacific Northwest’s botanical treasures for future generations.

Barrett’s Beardtongue

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Penstemon Schmidel - beardtongue

Species

Penstemon barrettiae A. Gray - Barrett's beardtongue

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