North America Native Plant

King’s Beardtongue

Botanical name: Penstemon kingii

USDA symbol: PEKI

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon nyeensis Crosswh. (PENY)   

King’s Beardtongue: A Spectacular Native Wildflower for Desert Gardens If you’re looking to add a splash of vibrant color to your xeriscape garden while supporting local wildlife, King’s beardtongue (Penstemon kingii) might just be the perfect plant for you. This stunning native wildflower brings both beauty and ecological value to ...

King’s Beardtongue: A Spectacular Native Wildflower for Desert Gardens

If you’re looking to add a splash of vibrant color to your xeriscape garden while supporting local wildlife, King’s beardtongue (Penstemon kingii) might just be the perfect plant for you. This stunning native wildflower brings both beauty and ecological value to gardens across the American West.

What Makes King’s Beardtongue Special?

King’s beardtongue is a perennial herb that produces spectacular spikes of bright pink to magenta tubular flowers. These eye-catching blooms create dramatic vertical accents in the landscape, making this plant a real showstopper during its flowering season. As a member of the Penstemon family, it shares the characteristic bearded appearance that gives beardtongues their charming common name.

This plant is also known by the synonym Penstemon nyeensis, but King’s beardtongue remains the most widely recognized common name for this species.

Where King’s Beardtongue Calls Home

This remarkable native plant is endemic to the Great Basin region of the western United States, naturally occurring in Nevada and Oregon. As a true native species, King’s beardtongue has evolved alongside local wildlife and is perfectly adapted to the challenging conditions of high desert environments.

Why Choose King’s Beardtongue for Your Garden?

There are several compelling reasons to consider adding this native beauty to your landscape:

  • Pollinator magnet: The tubular flowers are perfectly designed to attract hummingbirds, native bees, and butterflies
  • Low maintenance: Once established, this drought-tolerant perennial requires minimal care
  • Native plant benefits: Supporting local ecosystems while reducing water usage
  • Stunning visual impact: Bright, colorful flower spikes add vertical interest and vibrant color
  • Long blooming period: Provides weeks of continuous color when in bloom

Perfect Garden Settings

King’s beardtongue shines in specific garden types where its natural characteristics can be fully appreciated:

  • Xeriscape and drought-tolerant gardens
  • Native plant landscapes
  • Rock gardens and alpine settings
  • Wildlife and pollinator gardens
  • Low-water Mediterranean-style gardens

Growing Conditions and Care

Success with King’s beardtongue comes from mimicking its natural high desert habitat. This hardy perennial thrives in USDA hardiness zones 4-8, making it suitable for a wide range of climates.

Soil requirements: The most critical factor for success is excellent drainage. Plant King’s beardtongue in sandy or rocky, well-draining soil. Heavy clay or waterlogged conditions will likely lead to root rot and plant failure.

Light needs: This sun-loving plant performs best in full sun to partial shade, with at least 6 hours of direct sunlight daily for optimal flowering.

Water requirements: While King’s beardtongue needs regular water during establishment, it becomes remarkably drought tolerant once its root system is established. Deep, infrequent watering works best.

Planting and Care Tips

Follow these guidelines for the best results with your King’s beardtongue:

  • Timing: Plant in spring after the last frost date
  • Soil preparation: Amend heavy soils with coarse sand or gravel to improve drainage
  • Spacing: Allow adequate space for air circulation to prevent fungal issues
  • Watering: Water regularly the first year, then reduce to occasional deep watering
  • Maintenance: Deadhead spent flowers to encourage continued blooming and prevent unwanted self-seeding
  • Winter care: In colder zones, mulch lightly around the base for winter protection

A Garden Investment Worth Making

King’s beardtongue represents everything we love about native plants: stunning beauty, ecological value, and low-maintenance requirements. By choosing this remarkable perennial, you’re not only adding spectacular color to your garden but also supporting local wildlife and conserving water. Whether you’re creating a dedicated native plant garden or simply looking to reduce your landscape’s environmental impact, King’s beardtongue deserves serious consideration for your next planting project.

King’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 kingii S. Watson - King'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