Index / Search / Bacopa rotundifolia
§1 Plant
Bacopa rotundifolia (Michx.) Wettst.
vernacular disk waterhyssop — species · Scrophulariaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Scrophulariaceae Juss.
- Genus
- Bacopa
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 356 counties across 25 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- High
- Moisture use
- High
- Fire
- None
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 120 min.
- Precipitation
- 24–65 in/yr
- pH range
- 5.4–7.8
- Root depth
- 0 in min.
- Fertility need
- Low
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Stoloniferous
- Growth rate
- Slow
- Lifespan
- Moderate
- Mature height
- 0.1 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Porous
- Flower colour
- White
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Fall
- Seed abundance
- Medium
- Seed begins
- Fall
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 4,000,000
- Propagation
- seed, bare root, container
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Graze palatability
- Low
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 356 counties across 25 states/territories.
Arizona view state ↗ 1 N ▾
Arkansas view state ↗ 17 N ▾
California view state ↗ 16 N ▾
Colorado view state ↗ 1 N ▾
Idaho view state ↗ 2 N ▾
Illinois view state ↗ 43 N ▾
- Alexander 17003
- Bond 17005
- Calhoun 17013
- Cass 17017
- Christian 17021
- Clark 17023
- Crawford 17033
- Cumberland 17035
- Edwards 17047
- Fayette 17051
- Franklin 17055
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henry 17073
- Jackson 17077
- Jasper 17079
- Johnson 17087
- Knox 17095
- Lawrence 17101
- Livingston 17105
- Madison 17119
- Marion 17121
- Mason 17125
- Massac 17127
- Menard 17129
- Monroe 17133
- Montgomery 17135
- Peoria 17143
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Randolph 17157
- Richland 17159
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- St. Clair 17163
- Union 17181
- Wabash 17185
- White 17193
- Williamson 17199
Indiana view state ↗ 13 N ▾
Iowa view state ↗ 4 N ▾
Kansas view state ↗ 42 N ▾
- Barber 20007
- Barton 20009
- Clark 20025
- Clay 20027
- Cloud 20029
- Coffey 20031
- Dickinson 20041
- Douglas 20045
- Ellis 20051
- Finney 20055
- Geary 20061
- Gove 20063
- Grant 20067
- Gray 20069
- Harper 20077
- Hodgeman 20083
- Jackson 20085
- Jefferson 20087
- Kingman 20095
- Labette 20099
- Linn 20107
- Lyon 20111
- McPherson 20113
- Meade 20119
- Morris 20127
- Neosho 20133
- Osage 20139
- Osborne 20141
- Pottawatomie 20149
- Pratt 20151
- Reno 20155
- Republic 20157
- Rice 20159
- Riley 20161
- Saline 20169
- Seward 20175
- Sheridan 20179
- Sherman 20181
- Wallace 20199
- Washington 20201
- Wilson 20205
- Woodson 20207
Kentucky view state ↗ 15 N ▾
Louisiana view state ↗ 40 N ▾
- Acadia 22001
- Allen 22003
- Avoyelles 22009
- Bienville 22013
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Concordia 22029
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Iberia 22045
- Iberville 22047
- Jefferson Davis 22053
- Lafayette 22055
- LaSalle 22059
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Union 22111
- Vermilion 22113
- West Feliciana 22125
Minnesota view state ↗ 8 N ▾
Mississippi view state ↗ 9 N ▾
Missouri view state ↗ 41 N ▾
- Adair 29001
- Barry 29009
- Barton 29011
- Bates 29013
- Benton 29015
- Boone 29019
- Buchanan 29021
- Cape Girardeau 29031
- Cass 29037
- Cedar 29039
- Chariton 29041
- Cooper 29053
- Dent 29065
- Franklin 29071
- Greene 29077
- Grundy 29079
- Howell 29091
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Laclede 29105
- Lewis 29111
- Lincoln 29113
- Livingston 29117
- Macon 29121
- Madison 29123
- Maries 29125
- McDonald 29119
- Mississippi 29133
- Moniteau 29135
- Monroe 29137
- Newton 29145
- Randolph 29175
- Ray 29177
- Shannon 29203
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Stoddard 29207
- Stone 29209
- Sullivan 29211
Montana view state ↗ 1 N ▾
Nebraska view state ↗ 16 N ▾
North Dakota view state ↗ 10 N ▾
Oklahoma view state ↗ 11 N ▾
South Dakota view state ↗ 15 N ▾
Tennessee view state ↗ 10 N ▾
Texas view state ↗ 32 N ▾
- Aransas 48007
- Bailey 48017
- Brazoria 48039
- Brazos 48041
- Burnet 48053
- Cameron 48061
- Castro 48069
- Deaf Smith 48117
- Hale 48189
- Harris 48201
- Jeff Davis 48243
- Jefferson 48245
- Jim Wells 48249
- Karnes 48255
- Kleberg 48273
- Lee 48287
- Lipscomb 48295
- Llano 48299
- Lubbock 48303
- Marion 48315
- Mason 48319
- McCulloch 48307
- McLennan 48309
- Newton 48351
- Randall 48381
- Robertson 48395
- Sabine 48403
- San Saba 48411
- Shelby 48419
- Travis 48453
- Victoria 48469
- Young 48503
Virginia view state ↗ 2 N ▾
Wisconsin view state ↗ 1 N ▾
Wyoming view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/BARO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3171174 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z