Index / Search / Juncus biflorus
§1 Plant
Juncus biflorus Elliott
vernacular bog rush — species · Juncaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Juncaceae Juss.
- Genus
- Juncus
§2a
Native status, by region
- L48 Lower 48 States Native
§2b
County-level range
· 456 counties across 26 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Low
- Moisture use
- High
- Fire
- High
- Salinity
- Low
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -18 °F minimum
- Frost-free days
- 145 min.
- Precipitation
- 35–55 in/yr
- pH range
- 4.5–7
- Root depth
- 14 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Rapid
- Lifespan
- Moderate
- Mature height
- 3.5 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Red
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Propagation
- seed, bare root, sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 456 counties across 26 states/territories.
Alabama view state ↗ 12 N ▾
Arkansas view state ↗ 2 N ▾
Delaware view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 2 N ▾
Georgia view state ↗ 28 N ▾
- Baker 13007
- Baldwin 13009
- Bartow 13015
- Berrien 13019
- Bulloch 13031
- Burke 13033
- Calhoun 13037
- Catoosa 13047
- Charlton 13049
- Chatham 13051
- Cherokee 13057
- Clarke 13059
- Cook 13075
- Elbert 13105
- Hancock 13141
- Irwin 13155
- Jackson 13157
- Jasper 13159
- Lanier 13173
- Madison 13195
- McIntosh 13191
- Miller 13201
- Oglethorpe 13221
- Tattnall 13267
- Tift 13277
- Toombs 13279
- Walker 13295
- Wheeler 13309
Illinois view state ↗ 47 N ▾
- Alexander 17003
- Bond 17005
- Cass 17017
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Franklin 17055
- Gallatin 17059
- Hamilton 17065
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Johnson 17087
- Kankakee 17091
- Knox 17095
- Lake 17097
- Lawrence 17101
- Lee 17103
- Macoupin 17117
- Marion 17121
- Mason 17125
- Massac 17127
- Menard 17129
- Morgan 17137
- Perry 17145
- Pope 17151
- Pulaski 17153
- Randolph 17157
- Richland 17159
- Saline 17165
- Shelby 17173
- St. Clair 17163
- Union 17181
- Wabash 17185
- Washington 17189
- Wayne 17191
- White 17193
- Williamson 17199
- Winnebago 17201
Indiana view state ↗ 29 N ▾
- Bartholomew 18005
- Clark 18019
- Clay 18021
- Crawford 18025
- Daviess 18027
- Dubois 18037
- Floyd 18043
- Fountain 18045
- Franklin 18047
- Gibson 18051
- Greene 18055
- Jackson 18071
- Jasper 18073
- Jefferson 18077
- Jennings 18079
- Knox 18083
- Lagrange 18087
- Lake 18089
- Lawrence 18093
- Morgan 18109
- Perry 18123
- Ripley 18137
- Spencer 18147
- Starke 18149
- Switzerland 18155
- Union 18161
- Wabash 18169
- Washington 18175
- White 18181
Kansas view state ↗ 2 N ▾
Kentucky view state ↗ 44 N ▾
- Adair 21001
- Ballard 21007
- Bell 21013
- Boyd 21019
- Bullitt 21029
- Caldwell 21033
- Calloway 21035
- Carter 21043
- Casey 21045
- Clark 21049
- Crittenden 21055
- Fleming 21069
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Graves 21083
- Grayson 21085
- Harlan 21095
- Henry 21103
- Hickman 21105
- Jackson 21109
- Jefferson 21111
- Johnson 21115
- Letcher 21133
- Lewis 21135
- Lyon 21143
- Madison 21151
- Marshall 21157
- McCracken 21145
- McCreary 21147
- Montgomery 21173
- Nelson 21179
- Oldham 21185
- Perry 21193
- Pike 21195
- Powell 21197
- Pulaski 21199
- Rockcastle 21203
- Rowan 21205
- Todd 21219
- Trigg 21221
- Union 21225
- Wayne 21231
- Whitley 21235
Maryland view state ↗ 2 N ▾
Massachusetts view state ↗ 2 N ▾
Michigan view state ↗ 6 N ▾
Mississippi view state ↗ 47 N ▾
- Alcorn 28003
- Amite 28005
- Attala 28007
- Benton 28009
- Calhoun 28013
- Carroll 28015
- Clay 28025
- Copiah 28029
- Covington 28031
- DeSoto 28033
- Forrest 28035
- Greene 28041
- Hancock 28045
- Harrison 28047
- Holmes 28051
- Humphreys 28053
- Itawamba 28057
- Jackson 28059
- Jasper 28061
- Jones 28067
- Kemper 28069
- Lafayette 28071
- Lauderdale 28075
- Lawrence 28077
- Leake 28079
- Leflore 28083
- Lincoln 28085
- Madison 28089
- Marion 28091
- Marshall 28093
- Montgomery 28097
- Neshoba 28099
- Noxubee 28103
- Panola 28107
- Pearl River 28109
- Perry 28111
- Pontotoc 28115
- Quitman 28119
- Rankin 28121
- Simpson 28127
- Stone 28131
- Tishomingo 28141
- Washington 28151
- Wayne 28153
- Webster 28155
- Wilkinson 28157
- Yazoo 28163
Missouri view state ↗ 34 N ▾
- Barton 29011
- Bates 29013
- Butler 29023
- Callaway 29027
- Cape Girardeau 29031
- Crawford 29055
- Dallas 29059
- Dunklin 29069
- Franklin 29071
- Henry 29083
- Hickory 29085
- Howell 29091
- Iron 29093
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Lawrence 29109
- Lincoln 29113
- Marion 29127
- McDonald 29119
- Mississippi 29133
- Newton 29145
- Phelps 29161
- Randolph 29175
- Ripley 29181
- Shannon 29203
- St. Clair 29185
- St. Louis 29189
- Ste. Genevieve 29186
- Texas 29215
- Vernon 29217
- Wayne 29223
- Webster 29225
New Jersey view state ↗ 9 N ▾
New York view state ↗ 6 N ▾
North Carolina view state ↗ 63 N ▾
- Anson 37007
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Buncombe 37021
- Carteret 37031
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Currituck 37053
- Dare 37055
- Davidson 37057
- Duplin 37061
- Durham 37063
- Edgecombe 37065
- Gates 37073
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Hertford 37091
- Hoke 37093
- Hyde 37095
- Iredell 37097
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Martin 37117
- Mecklenburg 37119
- Montgomery 37123
- Moore 37125
- Nash 37127
- New Hanover 37129
- Northampton 37131
- Onslow 37133
- Pamlico 37137
- Pasquotank 37139
- Pender 37141
- Person 37145
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rowan 37159
- Sampson 37163
- Scotland 37165
- Stanly 37167
- Stokes 37169
- Surry 37171
- Union 37179
- Wake 37183
- Washington 37187
- Wayne 37191
- Wilkes 37193
- Wilson 37195
- Yancey 37199
Ohio view state ↗ 25 N ▾
- Adams 39001
- Brown 39015
- Clermont 39025
- Clinton 39027
- Coshocton 39031
- Erie 39043
- Fairfield 39045
- Franklin 39049
- Gallia 39053
- Guernsey 39059
- Hamilton 39061
- Highland 39071
- Hocking 39073
- Jackson 39079
- Jefferson 39081
- Lorain 39093
- Meigs 39105
- Perry 39127
- Pickaway 39129
- Portage 39133
- Ross 39141
- Scioto 39145
- Summit 39153
- Wayne 39169
- Wood 39173
Pennsylvania view state ↗ 10 N ▾
South Carolina view state ↗ 33 N ▾
- Abbeville 45001
- Aiken 45003
- Allendale 45005
- Bamberg 45009
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Charleston 45019
- Cherokee 45021
- Chesterfield 45025
- Clarendon 45027
- Colleton 45029
- Darlington 45031
- Dillon 45033
- Edgefield 45037
- Fairfield 45039
- Florence 45041
- Georgetown 45043
- Greenwood 45047
- Hampton 45049
- Horry 45051
- Jasper 45053
- Kershaw 45055
- Lancaster 45057
- Lee 45061
- Lexington 45063
- Marlboro 45069
- McCormick 45065
- Newberry 45071
- Orangeburg 45075
- Saluda 45081
- Sumter 45085
- Williamsburg 45089
Tennessee view state ↗ 37 N ▾
- Anderson 47001
- Benton 47005
- Blount 47009
- Bradley 47011
- Cheatham 47021
- Coffee 47031
- Cumberland 47035
- Davidson 47037
- Dickson 47043
- Dyer 47045
- Fayette 47047
- Fentress 47049
- Franklin 47051
- Giles 47055
- Grainger 47057
- Greene 47059
- Grundy 47061
- Hardeman 47069
- Haywood 47075
- Henry 47079
- Knox 47093
- Lawrence 47099
- Marion 47115
- Marshall 47117
- McNairy 47109
- Meigs 47121
- Montgomery 47125
- Obion 47131
- Polk 47139
- Putnam 47141
- Rutherford 47149
- Sequatchie 47153
- Shelby 47157
- Stewart 47161
- Sumner 47165
- Warren 47177
- White 47185
Texas view state ↗ 3 N ▾
Virginia view state ↗ 4 N ▾
West Virginia view state ↗ 6 N ▾
Wisconsin view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/JUBI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2701534 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z