Index / Search / Echinochloa walteri
§1 Plant
Echinochloa walteri (Pursh) A. Heller
vernacular coast cockspur grass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Echinochloa
§2a
Native status, by region
- CAN Canada Native
- HI Hawaii Introduced
- L48 Lower 48 States Native
§2b
County-level range
· 282 counties across 22 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- High
- Fire
- Medium
- Salinity
- Medium
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- 32 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 28–50 in/yr
- pH range
- 3.8–9.4
- Root depth
- 14 in min.
- Fertility need
- Low
- Soil texture
- fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Moderate
- Mature height
- 6.5 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- Green
- Fruit colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 413,000
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- No
- Graze palatability
- High
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 282 counties across 22 states/territories.
Alabama view state ↗ 7 N ▾
Arkansas view state ↗ 7 N ▾
Delaware view state ↗ 2 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 42 N ▾
- Alachua 12001
- Bay 12005
- Brevard 12009
- Broward 12011
- Charlotte 12015
- Citrus 12017
- Clay 12019
- Collier 12021
- Dixie 12029
- Duval 12031
- Escambia 12033
- Franklin 12037
- Gadsden 12039
- Glades 12043
- Hardee 12049
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jefferson 12065
- Lake 12069
- Lee 12071
- Leon 12073
- Madison 12079
- Manatee 12081
- Marion 12083
- Miami-Dade 12086
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Palm Beach 12099
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Putnam 12107
- Sarasota 12115
- Seminole 12117
- St. Johns 12109
- Sumter 12119
- Suwannee 12121
- Volusia 12127
- Wakulla 12129
Georgia view state ↗ 7 N ▾
Illinois view state ↗ 23 N ▾
Indiana view state ↗ 13 N ▾
Iowa view state ↗ 1 N ▾
Kentucky view state ↗ 3 N ▾
Louisiana view state ↗ 52 N ▾
- Acadia 22001
- Allen 22003
- Ascension 22005
- Assumption 22007
- 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
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- Lafourche 22057
- LaSalle 22059
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Plaquemines 22075
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Bernard 22087
- St. Charles 22089
- St. John the Baptist 22095
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- Vermilion 22113
- Vernon 22115
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Massachusetts view state ↗ 10 N ▾
Michigan view state ↗ 14 N ▾
Minnesota view state ↗ 10 N ▾
Mississippi view state ↗ 3 N ▾
New Jersey view state ↗ 12 N ▾
New York view state ↗ 22 N ▾
- Bronx 36005
- Cayuga 36011
- Columbia 36021
- Jefferson 36045
- Kings 36047
- Monroe 36055
- Nassau 36059
- Niagara 36063
- Onondaga 36067
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- St. Lawrence 36089
- Suffolk 36103
- Tompkins 36109
- Ulster 36111
- Westchester 36119
North Carolina view state ↗ 14 N ▾
Pennsylvania view state ↗ 3 N ▾
Rhode Island view state ↗ 2 N ▾
South Carolina view state ↗ 7 N ▾
Virginia view state ↗ 27 N ▾
- Accomack 51001
- Amelia 51007
- Arlington 51013
- Charles City 51036
- Chesapeake (city) 51550
- Essex 51057
- Fairfax 51059
- Gloucester 51073
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- King William 51101
- Lancaster 51103
- Mathews 51115
- Middlesex 51119
- New Kent 51127
- Newport News (city) 51700
- Northumberland 51133
- Prince George 51149
- Richmond 51159
- Southampton 51175
- Stafford 51179
- Surry 51181
- Virginia Beach (city) 51810
- Westmoreland 51193
- York 51199
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ECWA ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8152867 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z