Index / Search / Sporobolus compositus var. compositus
§1 Plant
Sporobolus compositus (Poir.) Merr. var. compositus
vernacular composite dropseed — variety · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Sporobolus
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 644 counties across 33 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- High
- Moisture use
- Low
- Fire
- High
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 16–50 in/yr
- pH range
- 5.5–7
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Lifespan
- Long
- Mature height
- 3 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 759,362
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- Medium
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 644 counties across 33 states/territories.
Alabama view state ↗ 2 N ▾
Arizona view state ↗ 2 N ▾
Arkansas view state ↗ 8 N ▾
Colorado view state ↗ 13 N ▾
Delaware view state ↗ 1 N ▾
Illinois view state ↗ 84 N ▾
- Adams 17001
- Bond 17005
- Boone 17007
- Bureau 17011
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Effingham 17049
- Fayette 17051
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Jersey 17083
- Jo Daviess 17085
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- LaSalle 17099
- Lawrence 17101
- Lee 17103
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Massac 17127
- McHenry 17111
- Menard 17129
- Mercer 17131
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Piatt 17147
- Pike 17149
- Pope 17151
- Putnam 17155
- Randolph 17157
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Stark 17175
- Stephenson 17177
- Tazewell 17179
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 42 N ▾
- Benton 18007
- Boone 18011
- Carroll 18015
- Cass 18017
- Crawford 18025
- Decatur 18031
- Delaware 18035
- Elkhart 18039
- Fountain 18045
- Franklin 18047
- Gibson 18051
- Grant 18053
- Greene 18055
- Hamilton 18057
- Hancock 18059
- Harrison 18061
- Hendricks 18063
- Henry 18065
- Howard 18067
- Huntington 18069
- Jasper 18073
- Knox 18083
- Lawrence 18093
- Madison 18095
- Marion 18097
- Marshall 18099
- Miami 18103
- Montgomery 18107
- Newton 18111
- Putnam 18133
- Randolph 18135
- Ripley 18137
- Rush 18139
- St. Joseph 18141
- Sullivan 18153
- Tippecanoe 18157
- Tipton 18159
- Vigo 18167
- Wabash 18169
- Warren 18171
- Wells 18179
- White 18181
Iowa view state ↗ 29 N ▾
- Adair 19001
- Allamakee 19005
- Audubon 19009
- Boone 19015
- Carroll 19027
- Clarke 19039
- Clay 19041
- Crawford 19047
- Dickinson 19059
- Emmet 19063
- Fremont 19071
- Guthrie 19077
- Hancock 19081
- Harrison 19085
- Humboldt 19091
- Madison 19121
- Mahaska 19123
- Montgomery 19137
- O'Brien 19141
- Page 19145
- Palo Alto 19147
- Plymouth 19149
- Sac 19161
- Sioux 19167
- Story 19169
- Union 19175
- Washington 19183
- Webster 19187
- Woodbury 19193
Kansas view state ↗ 105 N ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Chase 20017
- Chautauqua 20019
- Cherokee 20021
- Cheyenne 20023
- Clark 20025
- Clay 20027
- Cloud 20029
- Coffey 20031
- Comanche 20033
- Cowley 20035
- Crawford 20037
- Decatur 20039
- Dickinson 20041
- Doniphan 20043
- Douglas 20045
- Edwards 20047
- Elk 20049
- Ellis 20051
- Ellsworth 20053
- Finney 20055
- Ford 20057
- Franklin 20059
- Geary 20061
- Gove 20063
- Graham 20065
- Grant 20067
- Gray 20069
- Greeley 20071
- Greenwood 20073
- Hamilton 20075
- Harper 20077
- Harvey 20079
- Haskell 20081
- Hodgeman 20083
- Jackson 20085
- Jefferson 20087
- Jewell 20089
- Johnson 20091
- Kearny 20093
- Kingman 20095
- Kiowa 20097
- Labette 20099
- Lane 20101
- Leavenworth 20103
- Lincoln 20105
- Linn 20107
- Logan 20109
- Lyon 20111
- Marion 20115
- Marshall 20117
- McPherson 20113
- Meade 20119
- Miami 20121
- Mitchell 20123
- Montgomery 20125
- Morris 20127
- Morton 20129
- Nemaha 20131
- Neosho 20133
- Ness 20135
- Norton 20137
- Osage 20139
- Osborne 20141
- Ottawa 20143
- Pawnee 20145
- Phillips 20147
- Pottawatomie 20149
- Pratt 20151
- Rawlins 20153
- Reno 20155
- Republic 20157
- Rice 20159
- Riley 20161
- Rooks 20163
- Rush 20165
- Russell 20167
- Saline 20169
- Scott 20171
- Sedgwick 20173
- Seward 20175
- Shawnee 20177
- Sheridan 20179
- Sherman 20181
- Smith 20183
- Stafford 20185
- Stanton 20187
- Stevens 20189
- Sumner 20191
- Thomas 20193
- Trego 20195
- Wabaunsee 20197
- Wallace 20199
- Washington 20201
- Wichita 20203
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 31 N ▾
- Anderson 21005
- Barren 21009
- Boone 21015
- Breckinridge 21027
- Bullitt 21029
- Caldwell 21033
- Crittenden 21055
- Estill 21065
- Franklin 21073
- Grant 21081
- Graves 21083
- Grayson 21085
- Hardin 21093
- Harrison 21097
- Hickman 21105
- Kenton 21117
- Lee 21129
- Lincoln 21137
- Logan 21141
- Lyon 21143
- McCracken 21145
- Meade 21163
- Mercer 21167
- Montgomery 21173
- Oldham 21185
- Pulaski 21199
- Rowan 21205
- Scott 21209
- Todd 21219
- Trigg 21221
- Warren 21227
Louisiana view state ↗ 4 N ▾
Maryland view state ↗ 6 N ▾
Massachusetts view state ↗ 7 N ▾
Michigan view state ↗ 6 N ▾
Minnesota view state ↗ 13 N ▾
Mississippi view state ↗ 3 N ▾
Missouri view state ↗ 9 N ▾
Nebraska view state ↗ 31 N ▾
- Brown 31017
- Buffalo 31019
- Butler 31023
- Cass 31025
- Cherry 31031
- Custer 31041
- Dawson 31047
- Dodge 31053
- Douglas 31055
- Furnas 31065
- Gage 31067
- Hamilton 31081
- Harlan 31083
- Hitchcock 31087
- Holt 31089
- Kearney 31099
- Lancaster 31109
- Lincoln 31111
- Loup 31115
- Nemaha 31127
- Otoe 31131
- Pawnee 31133
- Phelps 31137
- Red Willow 31145
- Richardson 31147
- Saline 31151
- Sarpy 31153
- Sheridan 31161
- Stanton 31167
- Washington 31177
- York 31185
New Jersey view state ↗ 13 N ▾
New Mexico view state ↗ 7 N ▾
New York view state ↗ 18 N ▾
North Dakota view state ↗ 18 N ▾
Ohio view state ↗ 54 N ▾
- Adams 39001
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Auglaize 39011
- Brown 39015
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Crawford 39033
- Cuyahoga 39035
- Darke 39037
- Delaware 39041
- Erie 39043
- Fairfield 39045
- Franklin 39049
- Geauga 39055
- Guernsey 39059
- Hamilton 39061
- Hancock 39063
- Highland 39071
- Hocking 39073
- Holmes 39075
- Huron 39077
- Jackson 39079
- Knox 39083
- Lake 39085
- Licking 39089
- Logan 39091
- Lorain 39093
- Lucas 39095
- Madison 39097
- Mahoning 39099
- Marion 39101
- Medina 39103
- Mercer 39107
- Miami 39109
- Morrow 39117
- Paulding 39125
- Pickaway 39129
- Pike 39131
- Portage 39133
- Putnam 39137
- Richland 39139
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Van Wert 39161
- Washington 39167
- Wayne 39169
- Wood 39173
- Wyandot 39175
Oklahoma view state ↗ 27 N ▾
- Alfalfa 40003
- Bryan 40013
- Caddo 40015
- Cimarron 40025
- Cleveland 40027
- Comanche 40031
- Craig 40035
- Harper 40059
- Hughes 40063
- Johnston 40069
- Kiowa 40075
- Logan 40083
- Major 40093
- Mayes 40097
- McClain 40087
- Murray 40099
- Muskogee 40101
- Oklahoma 40109
- Osage 40113
- Ottawa 40115
- Pawnee 40117
- Payne 40119
- Sequoyah 40135
- Texas 40139
- Washington 40147
- Woods 40151
- Woodward 40153
Pennsylvania view state ↗ 18 N ▾
Rhode Island view state ↗ 2 N ▾
South Dakota view state ↗ 20 N ▾
Tennessee view state ↗ 15 N ▾
Texas view state ↗ 22 N ▾
- Brazos 48041
- Burleson 48051
- Cameron 48061
- Collingsworth 48087
- Dallas 48113
- Donley 48129
- Galveston 48167
- Grimes 48185
- Hays 48209
- Kaufman 48257
- Kerr 48265
- McLennan 48309
- Montague 48337
- Navarro 48349
- Palo Pinto 48363
- Parker 48367
- Robertson 48395
- San Patricio 48409
- Travis 48453
- Van Zandt 48467
- Washington 48477
- Wise 48497
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 6 N ▾
West Virginia view state ↗ 2 N ▾
Wisconsin view state ↗ 25 N ▾
- Bayfield 55007
- Buffalo 55011
- Columbia 55021
- Crawford 55023
- Dane 55025
- Fond du Lac 55039
- Grant 55043
- Iowa 55049
- Jefferson 55055
- Kenosha 55059
- Lafayette 55065
- Milwaukee 55079
- Oconto 55083
- Ozaukee 55089
- Pepin 55091
- Pierce 55093
- Racine 55101
- Richland 55103
- Rock 55105
- Sauk 55111
- Sheboygan 55117
- Trempealeau 55121
- Walworth 55127
- Waukesha 55133
- Winnebago 55139
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/SPCOC2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/4270550 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z