North America Native Plant

Alberta Beardtongue

Botanical name: Penstemon albertinus

USDA symbol: PEAL11

Life cycle: perennial

Habit: subshrub

Native status: Native to Canada âš˜ Native to the lower 48 states  

Alberta Beardtongue: A Hidden Gem for Native Plant Enthusiasts If you’re looking to add a splash of brilliant blue to your native plant garden, Alberta beardtongue (Penstemon albertinus) might just be the perfect candidate. This charming perennial wildflower brings both beauty and ecological value to landscapes across the northern regions ...

Alberta Beardtongue: A Hidden Gem for Native Plant Enthusiasts

If you’re looking to add a splash of brilliant blue to your native plant garden, Alberta beardtongue (Penstemon albertinus) might just be the perfect candidate. This charming perennial wildflower brings both beauty and ecological value to landscapes across the northern regions of North America.

What Makes Alberta Beardtongue Special?

Alberta beardtongue is a native perennial herb that produces stunning blue tubular flowers during the summer months. Standing about 2 feet tall at maturity, this multiple-stemmed beauty showcases fine-textured green foliage that creates an elegant backdrop for its conspicuous blooms. The plant maintains an upright, erect growth habit that adds vertical interest to any garden setting.

Where Does It Call Home?

This native wildflower has naturally adapted to life in the northwestern regions of North America. You’ll find Alberta beardtongue growing wild across Alberta and British Columbia in Canada, as well as in Idaho and Montana in the United States. Its natural range speaks to its preference for cooler climates and mountainous terrain.

Why Choose Alberta Beardtongue for Your Garden?

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

  • Rapid growth: Once established, Alberta beardtongue grows quickly and can even regrow rapidly after harvest or cutting
  • Pollinator magnet: Those eye-catching blue flowers aren’t just for show – they’re perfectly designed to attract bees, butterflies, and hummingbirds
  • Fire resistant: This tough native has natural fire resistance, making it valuable for landscapes in fire-prone areas
  • Low maintenance: With minimal fertility requirements and good drought tolerance once established

Perfect Garden Settings

Alberta beardtongue shines in naturalized wildflower gardens, native plant landscapes, and pollinator-friendly spaces. It’s particularly well-suited for:

  • Mountain and alpine-style gardens
  • Native plant restoration projects
  • Low-water landscape designs
  • Wildlife and pollinator gardens

Growing Conditions and Care

Success with Alberta beardtongue comes from understanding its preferred growing conditions. This adaptable native thrives in USDA hardiness zones 3-7, making it suitable for cooler climates.

Soil preferences: Alberta beardtongue adapts well to coarse and medium-textured soils but struggles in fine, clay-heavy soils. It prefers slightly acidic to neutral soil with a pH between 4.5 and 7.0.

Sun and moisture: While it tolerates intermediate shade, this plant performs best with good sun exposure. It has moderate moisture needs and low drought tolerance, so consistent watering during dry spells will keep it happiest.

Climate requirements: Plan for at least 120 frost-free days, and ensure your area receives 15-30 inches of annual precipitation. The plant can tolerate temperatures down to 28°F.

Planting and Propagation Tips

Getting Alberta beardtongue established in your garden is straightforward with the right approach:

  • Seed starting: Seeds require cold stratification before planting – nature’s way of ensuring they sprout at the right time
  • Container growing: Young plants establish well when started in containers before transplanting
  • Planting density: Space plants to achieve 1,700-4,800 plants per acre, depending on your desired coverage
  • Root depth: Ensure soil preparation allows for at least 6 inches of root development

Seasonal Interest and Maintenance

Alberta beardtongue provides excellent summer interest when its blue flowers are in full bloom. The plant doesn’t retain its leaves through winter, dying back to the ground as a typical herbaceous perennial. While it has a relatively short lifespan compared to woody plants, its rapid growth and potential for self-seeding help maintain its presence in the garden.

One of the best features of this native is its minimal maintenance requirements. Once established, it needs little intervention beyond occasional watering during particularly dry periods.

A Note on Availability

Currently, Alberta beardtongue has limited commercial availability, which makes it a true treasure for native plant enthusiasts willing to seek out specialty sources or grow from seed. This rarity in the trade makes it an excellent conversation starter and a unique addition to native plant collections.

For gardeners in the northern Rocky Mountain region and adjacent areas, Alberta beardtongue represents an opportunity to grow a truly local native species that supports regional ecosystems while adding distinctive beauty to the landscape. Its combination of attractive flowers, pollinator appeal, and low-maintenance nature makes it a worthy addition to any native plant garden.

How

Alberta Beardtongue

Grows

Growing season

Summer

Lifespan

Short

Growth form & shape

Multiple Stem and Erect

Growth rate

Rapid

Height at 20 years
Maximum height

2.0

Foliage color

Green

Summer foliage density

Porous

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Blue

Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Medium

Fire Resistant

Yes

Foliage Texture

Fine

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Alberta Beardtongue

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance

None

CaCO₃ tolerance

None

Cold Stratification

Yes

Drought tolerance

Low

Nutrient requirement

Low

Fire tolerance

Low

Frost-free days minimum

120

Hedge tolerance

High

Moisture requirement

Medium

pH range

4.5 to 7.0

Plants per acre

1700 to 4800

Precipitation range (in)

15 to 30

Min root depth (in)

6

Salt tolerance

None

Shade tolerance

Intermediate

Min temperature (F)

28

Cultivating

Alberta Beardtongue

Flowering season

Summer

Commercial availability

No Known Source

Fruit/seed abundance

None

Fruit/seed season

Summer to Fall

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

2364583

Seed spread rate

Rapid

Seedling vigor

High

Small grain

No

Vegetative spread rate

None

Alberta 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 albertinus Greene - Alberta beardtongue

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