Index / Search / Penstemon heterophyllus ssp. purdyi
§1 Plant
Penstemon heterophyllus Lindl. ssp. purdyi D.D. Keck
vernacular Purdy's penstemon — subspecies · Scrophulariaceae
§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
· 26 counties across 1 state§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Medium
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 17 °F minimum
- Frost-free days
- 145 min.
- Precipitation
- 14–20 in/yr
- pH range
- 6–7.6
- Root depth
- 12 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 2 ft
- Height @ 20 y
- 2 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- High
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 1,000,000
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 26 counties across 1 state.
California view state ↗ 26 N ▾
- Alameda 06001
- Butte 06007
- Colusa 06011
- Contra Costa 06013
- Glenn 06021
- Humboldt 06023
- Lake 06033
- Marin 06041
- Mendocino 06045
- Merced 06047
- Napa 06055
- Nevada 06057
- Placer 06061
- Plumas 06063
- San Benito 06069
- San Mateo 06081
- Santa Clara 06085
- Sierra 06091
- Solano 06095
- Sonoma 06097
- Stanislaus 06099
- Sutter 06101
- Tehama 06103
- Trinity 06105
- Yolo 06113
- Yuba 06115
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PEHEP ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/9878945 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z