Index / Search / Cardamine douglassii
§1 Plant
Cardamine douglassii Britton
vernacular limestone bittercress — species · Brassicaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Brassicaceae Burnett
- Genus
- Cardamine
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 121 counties across 11 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Low
- Moisture use
- High
- Fire
- Medium
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 130 min.
- Precipitation
- 24–55 in/yr
- pH range
- 6–7.7
- Root depth
- 10 in min.
- Fertility need
- High
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 1 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Spring
- Seed abundance
- High
- Seed begins
- Spring
- Seed ends
- Spring
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 900,000
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 121 counties across 11 states/territories.
Alabama view state ↗ 2 N ▾
Arkansas view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Kentucky view state ↗ 53 N ▾
- Allen 21003
- Anderson 21005
- Barren 21009
- Bath 21011
- Boone 21015
- Bourbon 21017
- Breckinridge 21027
- Bullitt 21029
- Caldwell 21033
- Campbell 21037
- Carroll 21041
- Carter 21043
- Casey 21045
- Clark 21049
- Crittenden 21055
- Elliott 21063
- Fayette 21067
- Fleming 21069
- Floyd 21071
- Franklin 21073
- Garrard 21079
- Hardin 21093
- Harrison 21097
- Henry 21103
- Jefferson 21111
- Jessamine 21113
- Kenton 21117
- Larue 21123
- Lewis 21135
- Livingston 21139
- Logan 21141
- Madison 21151
- Marion 21155
- Mason 21161
- Meade 21163
- Menifee 21165
- Mercer 21167
- Metcalfe 21169
- Monroe 21171
- Montgomery 21173
- Nelson 21179
- Nicholas 21181
- Ohio 21183
- Oldham 21185
- Owen 21187
- Perry 21193
- Powell 21197
- Robertson 21201
- Rowan 21205
- Scott 21209
- Trimble 21223
- Warren 21227
- Woodford 21239
Massachusetts view state ↗ 1 N ▾
New Jersey view state ↗ 2 N ▾
New York view state ↗ 17 N ▾
Pennsylvania view state ↗ 19 N ▾
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 14 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CADO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3045676 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T05:06:36Z