North America Native Plant

Cutleaf Beardtongue

Botanical name: Penstemon richardsonii var. dentatus

USDA symbol: PERID3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon richardsonii Douglas ex Lindl. ssp. dentatus D.D. Keck (PERID2)   

Cutleaf Beardtongue: A Rare Oregon Native Worth Protecting If you’re passionate about native plants and live in Oregon, you might have heard whispers about the cutleaf beardtongue (Penstemon richardsonii var. dentatus). This lesser-known variety of beardtongue is a true Oregon original – and that’s both exciting and concerning for native ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Cutleaf Beardtongue: A Rare Oregon Native Worth Protecting

If you’re passionate about native plants and live in Oregon, you might have heard whispers about the cutleaf beardtongue (Penstemon richardsonii var. dentatus). This lesser-known variety of beardtongue is a true Oregon original – and that’s both exciting and concerning for native plant enthusiasts.

What Makes Cutleaf Beardtongue Special?

Cutleaf beardtongue is a perennial forb that belongs to the beloved Penstemon family. Like its cousins, this plant lacks significant woody tissue but makes up for it with persistent underground structures that help it return year after year. As a native herb, it’s perfectly adapted to Oregon’s unique growing conditions and plays an important role in local ecosystems.

A Rare Treasure in Oregon’s Landscape

Here’s where things get interesting – and a bit sobering. This plant is currently found only in Oregon, making it a true regional endemic. Its conservation status is listed as S4T2T3, which indicates it’s quite rare and potentially vulnerable.

Important note for gardeners: If you’re considering adding cutleaf beardtongue to your garden, please ensure you source it responsibly. Never collect from wild populations, and only purchase from reputable native plant nurseries that can verify their propagation methods.

Why Grow Cutleaf Beardtongue?

Despite its rarity (or perhaps because of it), there are compelling reasons to consider this plant:

  • True native status: Supporting genuine local flora helps preserve Oregon’s botanical heritage
  • Pollinator magnet: Like other penstemons, it likely attracts hummingbirds, native bees, and butterflies
  • Low maintenance: Once established, native plants typically require less water and care
  • Conservation contribution: Growing rare natives in gardens can help preserve genetic diversity

Growing Conditions and Care

While specific growing information for this variety is limited, we can make educated guesses based on its Penstemon heritage and Oregon origins:

  • Sunlight: Likely prefers full sun to partial shade
  • Soil: Probably thrives in well-draining soils (penstemons generally dislike wet feet)
  • Water: Drought-tolerant once established, typical of many Oregon natives
  • Hardiness: Should be cold-hardy in most Oregon locations

Garden Design Ideas

Cutleaf beardtongue would be perfect for:

  • Native plant gardens showcasing Oregon’s unique flora
  • Rock gardens or naturalized areas
  • Pollinator gardens focused on supporting local wildlife
  • Conservation-minded landscapes

A Word of Caution and Hope

The rarity of cutleaf beardtongue means we need to be thoughtful stewards. If you’re lucky enough to find responsibly sourced plants or seeds, you’re not just adding beauty to your garden – you’re participating in conservation efforts. Consider connecting with local native plant societies or botanical organizations to learn more about protecting Oregon’s rare flora.

Remember, every garden can be a sanctuary. By choosing natives like cutleaf beardtongue (when sourced responsibly), we create stepping stones for wildlife and help preserve the plants that make Oregon’s landscapes so special.

Cutleaf 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 richardsonii Douglas ex Lindl. - cutleaf beardtongue

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