Index / Search / Crotalaria spectabilis
§1 Plant
Crotalaria spectabilis Roth
vernacular showy rattlebox — species · Fabaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Dicot
- Family
- Fabaceae Lindl.
- Genus
- Crotalaria
§2a
Native status, by region
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- PB Pacific Basin (except Hawaii) Introduced
- PR Puerto Rico Introduced
§2b
County-level range
· 216 counties across 12 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Medium
- Fire
- Low
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- High
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 7 °F minimum
- Frost-free days
- 200 min.
- Precipitation
- 35–111 in/yr
- pH range
- 4.9–8
- Root depth
- 18 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Mature height
- 5 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Black
- Fire resistant
- No
- N fixation
- Medium
- Toxicity
- Moderate
§3d
Reproduction
- Bloom period
- Mid Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 36,320
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 216 counties across 12 states/territories.
Alabama view state ↗ 38 I ▾
- Autauga 01001
- Baldwin 01003
- Barbour 01005
- Butler 01013
- Calhoun 01015
- Chambers 01017
- Choctaw 01023
- Clarke 01025
- Coffee 01031
- Colbert 01033
- Conecuh 01035
- Covington 01039
- Crenshaw 01041
- Dale 01045
- Elmore 01051
- Escambia 01053
- Fayette 01057
- Geneva 01061
- Hale 01065
- Henry 01067
- Houston 01069
- Jackson 01071
- Lauderdale 01077
- Lee 01081
- Lowndes 01085
- Macon 01087
- Marengo 01091
- Marion 01093
- Mobile 01097
- Monroe 01099
- Montgomery 01101
- Pike 01109
- Russell 01113
- St. Clair 01115
- Sumter 01119
- Tuscaloosa 01125
- Washington 01129
- Wilcox 01131
Arkansas view state ↗ 3 I ▾
Florida view state ↗ 53 I ▾
- Alachua 12001
- Bradford 12007
- Brevard 12009
- Charlotte 12015
- Citrus 12017
- Clay 12019
- Collier 12021
- Columbia 12023
- DeSoto 12027
- Dixie 12029
- Duval 12031
- Escambia 12033
- Franklin 12037
- Gadsden 12039
- Gilchrist 12041
- Gulf 12045
- Hamilton 12047
- Hardee 12049
- Hendry 12051
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Manatee 12081
- Marion 12083
- Martin 12085
- Miami-Dade 12086
- Monroe 12087
- Okaloosa 12091
- Orange 12095
- Palm Beach 12099
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Sarasota 12115
- Seminole 12117
- St. Johns 12109
- St. Lucie 12111
- Sumter 12119
- Suwannee 12121
- Taylor 12123
- Union 12125
- Volusia 12127
- Walton 12131
Georgia view state ↗ 25 I ▾
- Brooks 13027
- Calhoun 13037
- Charlton 13049
- Chatham 13051
- Clarke 13059
- Columbia 13073
- Cook 13075
- Elbert 13105
- Hall 13139
- Harris 13145
- Henry 13151
- Houston 13153
- Jackson 13157
- Jasper 13159
- Jones 13169
- Lanier 13173
- Lee 13177
- Lowndes 13185
- Madison 13195
- Morgan 13211
- Talbot 13263
- Taylor 13269
- Terrell 13273
- Wayne 13305
- Wilcox 13315
Illinois view state ↗ 2 I ▾
Kentucky view state ↗ 2 I ▾
Louisiana view state ↗ 22 I ▾
- Caddo 22017
- Catahoula 22025
- Claiborne 22027
- East Baton Rouge 22033
- East Feliciana 22037
- Franklin 22041
- Iberia 22045
- Jackson 22049
- Jefferson 22051
- Lafayette 22055
- Livingston 22063
- Natchitoches 22069
- Ouachita 22073
- St. Helena 22091
- St. Landry 22097
- St. Martin 22099
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Washington 22117
- Webster 22119
- West Feliciana 22125
Mississippi view state ↗ 11 I ▾
North Carolina view state ↗ 26 I ▾
- Anson 37007
- Bertie 37015
- Bladen 37017
- Cabarrus 37025
- Chatham 37037
- Cleveland 37045
- Columbus 37047
- Cumberland 37051
- Duplin 37061
- Greene 37079
- Harnett 37085
- Hoke 37093
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Lincoln 37109
- Martin 37117
- Onslow 37133
- Orange 37135
- Richmond 37153
- Robeson 37155
- Sampson 37163
- Scotland 37165
- Wayne 37191
- Wilson 37195
South Carolina view state ↗ 21 I ▾
- Aiken 45003
- Allendale 45005
- Beaufort 45013
- Chesterfield 45025
- Colleton 45029
- Dillon 45033
- Dorchester 45035
- Fairfield 45039
- Florence 45041
- Hampton 45049
- Horry 45051
- Jasper 45053
- Lancaster 45057
- Laurens 45059
- Lee 45061
- Lexington 45063
- Marion 45067
- Marlboro 45069
- Richland 45079
- Sumter 45085
- Union 45087
Tennessee view state ↗ 7 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CRSP2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2942727 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z