Index / Search / Digitalis purpurea
§1 Plant
Digitalis purpurea L.
vernacular purple foxglove — species · Scrophulariaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Biennial
- Group
- Dicot
- Family
- Scrophulariaceae Juss.
- Genus
- Digitalis
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- L48 Lower 48 States Introduced
- SPM St. Pierre & Miquelon Introduced
§2b
County-level range
· 117 counties across 17 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- Medium
- Fire
- None
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- None
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -13 °F minimum
- Frost-free days
- 190 min.
- Precipitation
- 40–60 in/yr
- pH range
- 5.5–7
- Root depth
- 6 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Moderate
- Lifespan
- Short
- Mature height
- 5 ft
- Foliage texture
- Fine
- Foliage colour
- Dark Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Black
- Fire resistant
- No
- N fixation
- None
- Toxicity
- Moderate
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 4,667,536
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 117 counties across 17 states/territories.
Alaska view state ↗ 1 I ▾
California view state ↗ 18 I ▾
Colorado view state ↗ 2 I ▾
Maine view state ↗ 2 I ▾
Massachusetts view state ↗ 5 I ▾
Michigan view state ↗ 5 I ▾
New Jersey view state ↗ 3 I ▾
New York view state ↗ 11 I ▾
Ohio view state ↗ 2 I ▾
Oregon view state ↗ 19 I ▾
Pennsylvania view state ↗ 7 I ▾
Utah view state ↗ 2 I ▾
Vermont view state ↗ 7 I ▾
Washington view state ↗ 19 I ▾
West Virginia view state ↗ 6 I ▾
Wisconsin view state ↗ 3 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/DIPU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5414995 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z