Index / Search / Penstemon deustus

§1 Plant

Penstemon deustus Douglas ex Lindl.

vernacular scabland penstemon — species · Scrophulariaceae


USDA
PEDE4
GBIF
7637634
Rank
species
scabland penstemon (Penstemon deustus)
Platephotograph · sacjacksonCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Subshrub
Duration
Perennial
Group
Dicot
Family
Scrophulariaceae Juss.
Genus
Penstemon
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 3 counties across 1 state
Legend Native · 3 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
High
Shade
High
Moisture use
Low
Fire
Medium
Salinity
Low
Anaerobic
None
CaCO₃
Medium
Hedging
None
§3b

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
100 min.
Precipitation
10–18 in/yr
pH range
6–8
Root depth
14 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Moderate
Lifespan
Long
Mature height
2 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Moderate
Stratify
Yes
Seeds / lb
400,000
Propagation
seed
§3e

Use & availability

Commercial availability
Contracting Only
Nursery stock
No
Palatable, human
No
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 3 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/PEDE4 ↗

GBIF Backbone

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

gbif.org/species/7637634 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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