Index / Search / Brassica juncea
§1 Plant
Brassica juncea (L.) Czern.
vernacular brown mustard — species · Brassicaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Perennial
- Group
- Dicot
- Family
- Brassicaceae Burnett
- Genus
- Brassica
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- PR Puerto Rico Introduced
- VI U.S. Virgin Islands Introduced
§2b
County-level range
· 185 counties across 19 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
- 17 °F minimum
- Frost-free days
- 130 min.
- Precipitation
- 30–80 in/yr
- pH range
- 6–7.2
- Root depth
- 6 in min.
- Fertility need
- Medium
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Lifespan
- Short
- Mature height
- 4 ft
- Foliage texture
- Coarse
- Foliage colour
- Dark Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Black
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Spring
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 283,040
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Medium
- Palatable, human
- Yes
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 185 counties across 19 states/territories.
Alabama view state ↗ 1 I ▾
Alaska view state ↗ 1 I ▾
Arizona view state ↗ 4 I ▾
Arkansas view state ↗ 7 I ▾
District of Columbia view state ↗ 1 I ▾
Florida view state ↗ 16 I ▾
Georgia view state ↗ 3 I ▾
Kentucky view state ↗ 3 I ▾
Maine view state ↗ 13 I ▾
Massachusetts view state ↗ 13 I ▾
Montana view state ↗ 13 I ▾
New Hampshire view state ↗ 5 I ▾
New Jersey view state ↗ 12 I ▾
New York view state ↗ 16 I ▾
Pennsylvania view state ↗ 37 I ▾
- Allegheny 42003
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Carbon 42025
- Centre 42027
- Chester 42029
- Clarion 42031
- Clearfield 42033
- Crawford 42039
- Delaware 42045
- Erie 42049
- Fayette 42051
- Forest 42053
- Greene 42059
- Huntingdon 42061
- Indiana 42063
- Jefferson 42065
- Lawrence 42073
- Lehigh 42077
- Luzerne 42079
- McKean 42083
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Somerset 42111
- Susquehanna 42115
- Venango 42121
- Warren 42123
- Washington 42125
- Westmoreland 42129
- York 42133
Rhode Island view state ↗ 1 I ▾
Vermont view state ↗ 9 I ▾
Virginia view state ↗ 19 I ▾
- Bath 51017
- Chesterfield 51041
- Fauquier 51061
- Giles 51071
- Goochland 51075
- Greensville 51081
- Hampton (city) 51650
- Highland 51091
- James City 51095
- Loudoun 51107
- Newport News (city) 51700
- Rockbridge 51163
- Rockingham 51165
- Shenandoah 51171
- Smyth 51173
- Southampton 51175
- Sussex 51183
- Virginia Beach (city) 51810
- Warren 51187
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/BRJU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3042751 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T05:06:36Z