Index / Search / Panicum rigidulum
§1 Plant
Panicum rigidulum Bosc ex Nees
vernacular redtop panicgrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Panicum
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
- PR Puerto Rico Native
§2b
County-level range
· 1,011 counties across 32 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- High
- Fire
- High
- Salinity
- Low
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 130 min.
- Precipitation
- 32–64 in/yr
- pH range
- 5–7.5
- Root depth
- 6 in min.
- Fertility need
- Low
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 3.3 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Dense
- Flower colour
- Green
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Summer
- Seed abundance
- High
- Seed begins
- Fall
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 796,636
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Medium
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 1,011 counties across 32 states/territories.
Alabama view state ↗ 15 N ▾
Arkansas view state ↗ 49 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Bradley 05011
- Chicot 05017
- Clark 05019
- Clay 05021
- Cleburne 05023
- Columbia 05027
- Conway 05029
- Craighead 05031
- Crawford 05033
- Crittenden 05035
- Desha 05041
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Grant 05053
- Greene 05055
- Howard 05061
- Izard 05065
- Jackson 05067
- Jefferson 05069
- Lafayette 05073
- Lawrence 05075
- Lincoln 05079
- Logan 05083
- Lonoke 05085
- Madison 05087
- Miller 05091
- Mississippi 05093
- Monroe 05095
- Montgomery 05097
- Nevada 05099
- Polk 05113
- Prairie 05117
- Pulaski 05119
- Randolph 05121
- Saline 05125
- Scott 05127
- Sebastian 05131
- Sevier 05133
- Sharp 05135
- St. Francis 05123
- Union 05139
- Van Buren 05141
- Washington 05143
- White 05145
- Yell 05149
Delaware view state ↗ 3 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 63 N ▾
- Alachua 12001
- Bay 12005
- Bradford 12007
- Brevard 12009
- Broward 12011
- Calhoun 12013
- Charlotte 12015
- Citrus 12017
- Clay 12019
- Collier 12021
- Columbia 12023
- DeSoto 12027
- Dixie 12029
- Duval 12031
- Escambia 12033
- Flagler 12035
- Franklin 12037
- Gadsden 12039
- Gilchrist 12041
- Glades 12043
- Gulf 12045
- Hamilton 12047
- Hardee 12049
- Hendry 12051
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Jefferson 12065
- Lafayette 12067
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Manatee 12081
- Marion 12083
- Martin 12085
- Miami-Dade 12086
- Monroe 12087
- Nassau 12089
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Osceola 12097
- Palm Beach 12099
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Santa Rosa 12113
- Sarasota 12115
- St. Johns 12109
- St. Lucie 12111
- Sumter 12119
- Suwannee 12121
- Taylor 12123
- Volusia 12127
- Wakulla 12129
- Walton 12131
- Washington 12133
Georgia view state ↗ 42 N ▾
- Baker 13007
- Baldwin 13009
- Bartow 13015
- Brooks 13027
- Camden 13039
- Charlton 13049
- Chatham 13051
- Cherokee 13057
- Clarke 13059
- Cobb 13067
- Columbia 13073
- Decatur 13087
- DeKalb 13089
- Dooly 13093
- Dougherty 13095
- Early 13099
- Echols 13101
- Elbert 13105
- Fannin 13111
- Floyd 13115
- Fulton 13121
- Glynn 13127
- Hall 13139
- Jackson 13157
- Jasper 13159
- Jefferson 13163
- Laurens 13175
- Lee 13177
- Liberty 13179
- Long 13183
- Madison 13195
- McIntosh 13191
- Meriwether 13199
- Miller 13201
- Oconee 13219
- Oglethorpe 13221
- Randolph 13243
- Seminole 13253
- Spalding 13255
- Toombs 13279
- Upson 13293
- Wilcox 13315
Illinois view state ↗ 54 N ▾
- Alexander 17003
- Boone 17007
- Cass 17017
- Clay 17025
- Clinton 17027
- Cook 17031
- Crawford 17033
- Cumberland 17035
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Iroquois 17075
- Jackson 17077
- Jefferson 17081
- Johnson 17087
- Kankakee 17091
- Knox 17095
- Lake 17097
- Lawrence 17101
- Livingston 17105
- Macon 17115
- Madison 17119
- Marion 17121
- Mason 17125
- Massac 17127
- Menard 17129
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Peoria 17143
- Perry 17145
- Pike 17149
- Pope 17151
- Pulaski 17153
- Randolph 17157
- Richland 17159
- Saline 17165
- St. Clair 17163
- Union 17181
- Vermilion 17183
- Wabash 17185
- Washington 17189
- Wayne 17191
- White 17193
- Will 17197
- Williamson 17199
Indiana view state ↗ 46 N ▾
- Clark 18019
- Clay 18021
- Crawford 18025
- Daviess 18027
- Dubois 18037
- Elkhart 18039
- Floyd 18043
- Fountain 18045
- Fulton 18049
- Gibson 18051
- Greene 18055
- Hamilton 18057
- Jackson 18071
- Jasper 18073
- Jefferson 18077
- Jennings 18079
- Knox 18083
- Lake 18089
- LaPorte 18091
- Lawrence 18093
- Marshall 18099
- Martin 18101
- Monroe 18105
- Newton 18111
- Noble 18113
- Orange 18117
- Owen 18119
- Parke 18121
- Perry 18123
- Porter 18127
- Posey 18129
- Pulaski 18131
- Putnam 18133
- Ripley 18137
- Scott 18143
- Spencer 18147
- St. Joseph 18141
- Starke 18149
- Sullivan 18153
- Switzerland 18155
- Tippecanoe 18157
- Vigo 18167
- Wabash 18169
- Warrick 18173
- Washington 18175
- White 18181
Iowa view state ↗ 1 N ▾
Kansas view state ↗ 21 N ▾
- Anderson 20003
- Barton 20009
- Bourbon 20011
- Chautauqua 20019
- Cherokee 20021
- Comanche 20033
- Crawford 20037
- Greenwood 20073
- Harper 20077
- Harvey 20079
- Jackson 20085
- Kingman 20095
- Labette 20099
- Linn 20107
- McPherson 20113
- Montgomery 20125
- Neosho 20133
- Osage 20139
- Stafford 20185
- Washington 20201
- Woodson 20207
Kentucky view state ↗ 54 N ▾
- Adair 21001
- Bell 21013
- Boyle 21021
- Bullitt 21029
- Calloway 21035
- Campbell 21037
- Carlisle 21039
- Casey 21045
- Clark 21049
- Clinton 21053
- Crittenden 21055
- Edmonson 21061
- Estill 21065
- Fayette 21067
- Fleming 21069
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Graves 21083
- Grayson 21085
- Hardin 21093
- Harlan 21095
- Henderson 21101
- Henry 21103
- Hickman 21105
- Hopkins 21107
- Jackson 21109
- Jefferson 21111
- Knox 21121
- Laurel 21125
- Lee 21129
- Letcher 21133
- Lincoln 21137
- Livingston 21139
- Lyon 21143
- Madison 21151
- Magoffin 21153
- Marshall 21157
- McCreary 21147
- Montgomery 21173
- Muhlenberg 21177
- Ohio 21183
- Oldham 21185
- Perry 21193
- Powell 21197
- Pulaski 21199
- Rockcastle 21203
- Rowan 21205
- Scott 21209
- Taylor 21217
- Todd 21219
- Trigg 21221
- Whitley 21235
- Wolfe 21237
Louisiana view state ↗ 56 N ▾
- Allen 22003
- Ascension 22005
- Assumption 22007
- Avoyelles 22009
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberia 22045
- Iberville 22047
- Jackson 22049
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Charles 22089
- St. Helena 22091
- St. James 22093
- St. John the Baptist 22095
- St. Landry 22097
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- Vernon 22115
- Washington 22117
- Webster 22119
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Maine view state ↗ 8 N ▾
Maryland view state ↗ 1 N ▾
Massachusetts view state ↗ 13 N ▾
Michigan view state ↗ 7 N ▾
Mississippi view state ↗ 41 N ▾
- Benton 28009
- Bolivar 28011
- Calhoun 28013
- Carroll 28015
- Chickasaw 28017
- Clarke 28023
- Coahoma 28027
- DeSoto 28033
- Forrest 28035
- Franklin 28037
- Grenada 28043
- Hancock 28045
- Harrison 28047
- Hinds 28049
- Humphreys 28053
- Itawamba 28057
- Jackson 28059
- Jones 28067
- Lafayette 28071
- Lamar 28073
- Lauderdale 28075
- Lawrence 28077
- Leake 28079
- Lee 28081
- Madison 28089
- Marshall 28093
- Monroe 28095
- Pearl River 28109
- Pike 28113
- Pontotoc 28115
- Quitman 28119
- Rankin 28121
- Scott 28123
- Sharkey 28125
- Simpson 28127
- Smith 28129
- Stone 28131
- Union 28145
- Washington 28151
- Winston 28159
- Yalobusha 28161
Missouri view state ↗ 57 N ▾
- Barton 29011
- Bates 29013
- Bollinger 29017
- Butler 29023
- Callaway 29027
- Camden 29029
- Carter 29035
- Chariton 29041
- Christian 29043
- Clay 29047
- Crawford 29055
- Dade 29057
- Dallas 29059
- Dent 29065
- Dunklin 29069
- Franklin 29071
- Gasconade 29073
- Greene 29077
- Henry 29083
- Howell 29091
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Laclede 29105
- Lawrence 29109
- Lincoln 29113
- Madison 29123
- Mississippi 29133
- Monroe 29137
- Montgomery 29139
- Morgan 29141
- New Madrid 29143
- Newton 29145
- Oregon 29149
- Pemiscot 29155
- Pettis 29159
- Phelps 29161
- Pike 29163
- Polk 29167
- Pulaski 29169
- Randolph 29175
- Ripley 29181
- Saline 29195
- Shannon 29203
- St. Charles 29183
- St. Clair 29185
- St. Francois 29187
- St. Louis 29189
- Ste. Genevieve 29186
- Stoddard 29207
- Stone 29209
- Taney 29213
- Vernon 29217
- Wayne 29223
- Webster 29225
- Wright 29229
New Hampshire view state ↗ 6 N ▾
New Jersey view state ↗ 19 N ▾
New York view state ↗ 30 N ▾
- Albany 36001
- Bronx 36005
- Cayuga 36011
- Chautauqua 36013
- Columbia 36021
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Fulton 36035
- Hamilton 36041
- Jefferson 36045
- Madison 36053
- Nassau 36059
- Oneida 36065
- Onondaga 36067
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Saratoga 36091
- St. Lawrence 36089
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Ulster 36111
- Washington 36115
- Wayne 36117
- Westchester 36119
North Carolina view state ↗ 78 N ▾
- Alamance 37001
- Alexander 37003
- Anson 37007
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Burke 37023
- Caldwell 37027
- Camden 37029
- Carteret 37031
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Clay 37043
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Currituck 37053
- Dare 37055
- Davidson 37057
- Davie 37059
- Duplin 37061
- Durham 37063
- Edgecombe 37065
- Forsyth 37067
- Franklin 37069
- Gaston 37071
- Gates 37073
- Graham 37075
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Henderson 37089
- Hoke 37093
- Hyde 37095
- Iredell 37097
- Johnston 37101
- Jones 37103
- Lee 37105
- Lenoir 37107
- Lincoln 37109
- Macon 37113
- Madison 37115
- Martin 37117
- Mecklenburg 37119
- Montgomery 37123
- Moore 37125
- Nash 37127
- New Hanover 37129
- Northampton 37131
- Orange 37135
- Pasquotank 37139
- Pender 37141
- Person 37145
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rockingham 37157
- Sampson 37163
- Scotland 37165
- Stanly 37167
- Stokes 37169
- Surry 37171
- Tyrrell 37177
- Union 37179
- Vance 37181
- Wake 37183
- Washington 37187
- Wayne 37191
- Wilson 37195
- Yadkin 37197
Ohio view state ↗ 32 N ▾
- Adams 39001
- Ashtabula 39007
- Belmont 39013
- Carroll 39019
- Clinton 39027
- Columbiana 39029
- Cuyahoga 39035
- Erie 39043
- Fairfield 39045
- Franklin 39049
- Gallia 39053
- Geauga 39055
- Jackson 39079
- Lake 39085
- Lawrence 39087
- Licking 39089
- Lorain 39093
- Lucas 39095
- Mahoning 39099
- Meigs 39105
- Mercer 39107
- Perry 39127
- Pike 39131
- Portage 39133
- Ross 39141
- Scioto 39145
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Vinton 39163
- Wayne 39169
Oklahoma view state ↗ 13 N ▾
Pennsylvania view state ↗ 48 N ▾
- Adams 42001
- Armstrong 42005
- Bedford 42009
- Berks 42011
- Bucks 42017
- Butler 42019
- Cambria 42021
- Carbon 42025
- Chester 42029
- Clearfield 42033
- Clinton 42035
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Elk 42047
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Juniata 42067
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Lycoming 42081
- Mercer 42085
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Northumberland 42097
- Philadelphia 42101
- Pike 42103
- Schuylkill 42107
- Snyder 42109
- Somerset 42111
- Venango 42121
- Warren 42123
- Wayne 42127
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 4 N ▾
South Carolina view state ↗ 37 N ▾
- Abbeville 45001
- Aiken 45003
- Allendale 45005
- Bamberg 45009
- Barnwell 45011
- Beaufort 45013
- Berkeley 45015
- Calhoun 45017
- Charleston 45019
- Cherokee 45021
- Chesterfield 45025
- Clarendon 45027
- Colleton 45029
- Darlington 45031
- Dorchester 45035
- Edgefield 45037
- Fairfield 45039
- Florence 45041
- Georgetown 45043
- Greenville 45045
- Greenwood 45047
- Horry 45051
- Jasper 45053
- Kershaw 45055
- Lancaster 45057
- Laurens 45059
- Lee 45061
- Marion 45067
- Marlboro 45069
- Oconee 45073
- Orangeburg 45075
- Pickens 45077
- Richland 45079
- Saluda 45081
- Sumter 45085
- Williamsburg 45089
- York 45091
Tennessee view state ↗ 50 N ▾
- Benton 47005
- Bledsoe 47007
- Blount 47009
- Campbell 47013
- Cannon 47015
- Carroll 47017
- Cheatham 47021
- Cocke 47029
- Coffee 47031
- Cumberland 47035
- Davidson 47037
- Decatur 47039
- Fentress 47049
- Franklin 47051
- Grundy 47061
- Hamilton 47065
- Hardeman 47069
- Hardin 47071
- Haywood 47075
- Henry 47079
- Houston 47083
- Humphreys 47085
- Knox 47093
- Lake 47095
- Lauderdale 47097
- Lawrence 47099
- Lewis 47101
- Madison 47113
- Marion 47115
- Marshall 47117
- McNairy 47109
- Montgomery 47125
- Morgan 47129
- Obion 47131
- Overton 47133
- Polk 47139
- Putnam 47141
- Roane 47145
- Rutherford 47149
- Scott 47151
- Sequatchie 47153
- Shelby 47157
- Stewart 47161
- Sumner 47165
- Tipton 47167
- Van Buren 47175
- Warren 47177
- Washington 47179
- Wayne 47181
- White 47185
Texas view state ↗ 61 N ▾
- Anderson 48001
- Angelina 48005
- Aransas 48007
- Bastrop 48021
- Brazoria 48039
- Brazos 48041
- Burleson 48051
- Calhoun 48057
- Cameron 48061
- Cass 48067
- Cherokee 48073
- Colorado 48089
- Dallas 48113
- Franklin 48159
- Freestone 48161
- Galveston 48167
- Goliad 48175
- Gonzales 48177
- Gregg 48183
- Grimes 48185
- Hardin 48199
- Harris 48201
- Harrison 48203
- Henderson 48213
- Jasper 48241
- Jefferson 48245
- Kendall 48259
- Kerr 48265
- Lamar 48277
- Lavaca 48285
- Lee 48287
- Leon 48289
- Liberty 48291
- Madison 48313
- Marion 48315
- Matagorda 48321
- McLennan 48309
- Milam 48331
- Montgomery 48339
- Nacogdoches 48347
- Navarro 48349
- Newton 48351
- Panola 48365
- Polk 48373
- Refugio 48391
- Robertson 48395
- Rusk 48401
- Sabine 48403
- San Augustine 48405
- San Jacinto 48407
- San Patricio 48409
- Shelby 48419
- Tarrant 48439
- Trinity 48455
- Tyler 48457
- Upshur 48459
- Van Zandt 48467
- Waller 48473
- Washington 48477
- Wharton 48481
- Wood 48499
Vermont view state ↗ 4 N ▾
Virginia view state ↗ 76 N ▾
- Accomack 51001
- Albemarle 51003
- Alleghany 51005
- Amelia 51007
- Amherst 51009
- Arlington 51013
- Augusta 51015
- Bath 51017
- Bedford 51019
- Bland 51021
- Botetourt 51023
- Brunswick 51025
- Buckingham 51029
- Caroline 51033
- Charles City 51036
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Culpeper 51047
- Cumberland 51049
- Dickenson 51051
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Fauquier 51061
- Fluvanna 51065
- Gloucester 51073
- Goochland 51075
- Greene 51079
- Greensville 51081
- Halifax 51083
- Hampton (city) 51650
- Hanover 51085
- Henrico 51087
- Henry 51089
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- King William 51101
- Lee 51105
- Loudoun 51107
- Louisa 51109
- Lunenburg 51111
- Mathews 51115
- Mecklenburg 51117
- Middlesex 51119
- Nelson 51125
- New Kent 51127
- Newport News (city) 51700
- Northampton 51131
- Northumberland 51133
- Nottoway 51135
- Orange 51137
- Page 51139
- Powhatan 51145
- Prince Edward 51147
- Prince George 51149
- Prince William 51153
- Richmond 51159
- Roanoke 51161
- Rockbridge 51163
- Rockingham 51165
- Scott 51169
- Shenandoah 51171
- Southampton 51175
- Spotsylvania 51177
- Stafford 51179
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Virginia Beach (city) 51810
- Warren 51187
- Washington 51191
- Westmoreland 51193
- York 51199
West Virginia view state ↗ 21 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PARI4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/6560186 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z