Penstemon albertinus Greene

vernacular Alberta beardtongue — species · Scrophulariaceae

USDA: PEAL11
GBIF: 3171414
Rank: species

Alberta beardtongue (Penstemon albertinus) — Platephotograph · no rights reservedCC0 · public domain source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb, Subshrub
Duration: Perennial
Group: Dicot
Family: Scrophulariaceae Juss.
Genus: Penstemon

§2a

Native status, by region

CAN Canada Native
L48 Lower 48 States Native

§2b

County-level range

· 11 counties across 1 state

Legend Native · 11 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Low
Shade: Medium
Moisture use: Medium
Fire: Low
Salinity: None
Anaerobic: None
CaCO₃: None
Hedging: High

§3b

Climate & soil

Cold tolerance: 28 °F minimum
Frost-free days: 120 min.
Precipitation: 15–30 in/yr
pH range: 4.5–7
Root depth: 6 in min.
Fertility need: Low
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Multiple Stem
Growth rate: Rapid
Lifespan: Short
Mature height: 2 ft
Foliage texture: Fine
Foliage colour: Green
Porosity (summer): Porous
Porosity (winter): Porous
Flower colour: Blue
Fruit colour: Brown
Fire resistant: Yes
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Summer
Seed abundance: None
Seed begins: Summer
Seed ends: Fall
Spread rate: Rapid
Stratify: Yes
Seeds / lb: 2,364,583
Propagation: seed, container

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: Yes
Browse palatability: High
Graze palatability: High
Palatable, human: No
Protein potential: Medium
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 11 counties across 1 state.

Montana view state ↗ 11 N ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/PEAL11 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3171414 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T18:27:19Z