Index / Search / Geranium robertianum
§1 Plant
Geranium robertianum L.
vernacular Robert geranium — species · Geraniaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Biennial
- Group
- Dicot
- Family
- Geraniaceae Juss.
- Genus
- Geranium
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Native
- L48 Lower 48 States Introduced
- SPM St. Pierre & Miquelon Native
§2b
County-level range
· 269 counties across 23 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 269 counties across 23 states/territories.
Alaska view state ↗ 1 I ▾
California view state ↗ 4 B ▾
Illinois view state ↗ 3 B ▾
Indiana view state ↗ 7 B ▾
Maine view state ↗ 9 B ▾
Maryland view state ↗ 4 B ▾
Massachusetts view state ↗ 11 B ▾
Michigan view state ↗ 46 B ▾
- Alger 26003
- Allegan 26005
- Alpena 26007
- Antrim 26009
- Benzie 26019
- Berrien 26021
- Calhoun 26025
- Cass 26027
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Delta 26041
- Eaton 26045
- Emmet 26047
- Grand Traverse 26055
- Huron 26063
- Ionia 26067
- Kalamazoo 26077
- Kalkaska 26079
- Kent 26081
- Keweenaw 26083
- Leelanau 26089
- Livingston 26093
- Luce 26095
- Mackinac 26097
- Manistee 26101
- Mason 26105
- Mecosta 26107
- Missaukee 26113
- Monroe 26115
- Montcalm 26117
- Newaygo 26123
- Oakland 26125
- Oceana 26127
- Osceola 26133
- Otsego 26137
- Ottawa 26139
- Presque Isle 26141
- Sanilac 26151
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
- Wexford 26165
Minnesota view state ↗ 1 B ▾
Montana view state ↗ 1 B ▾
New Hampshire view state ↗ 9 B ▾
New Jersey view state ↗ 12 B ▾
New York view state ↗ 44 B ▾
- Albany 36001
- Bronx 36005
- Cattaraugus 36009
- Chautauqua 36013
- Chemung 36015
- Chenango 36017
- Clinton 36019
- Columbia 36021
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Greene 36039
- Herkimer 36043
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Livingston 36051
- Madison 36053
- New York 36061
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Oswego 36075
- Otsego 36077
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Schenectady 36093
- Schoharie 36095
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
Ohio view state ↗ 27 B ▾
- Ashland 39005
- Ashtabula 39007
- Columbiana 39029
- Crawford 39033
- Cuyahoga 39035
- Delaware 39041
- Erie 39043
- Franklin 39049
- Geauga 39055
- Hancock 39063
- Henry 39069
- Holmes 39075
- Huron 39077
- Lake 39085
- Lorain 39093
- Lucas 39095
- Medina 39103
- Ottawa 39123
- Portage 39133
- Richland 39139
- Seneca 39147
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Wayne 39169
- Wood 39173
- Wyandot 39175
Oregon view state ↗ 11 B ▾
Pennsylvania view state ↗ 37 B ▾
- Bedford 42009
- Berks 42011
- Bradford 42015
- Bucks 42017
- Butler 42019
- Cambria 42021
- Carbon 42025
- Chester 42029
- Columbia 42037
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Huntingdon 42061
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Northumberland 42097
- Philadelphia 42101
- Pike 42103
- Schuylkill 42107
- Somerset 42111
- Sullivan 42113
- Susquehanna 42115
- Tioga 42117
- Warren 42123
- Wayne 42127
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 1 B ▾
Tennessee view state ↗ 1 B ▾
Vermont view state ↗ 14 B ▾
Virginia view state ↗ 2 B ▾
Washington view state ↗ 16 B ▾
West Virginia view state ↗ 5 B ▾
Wisconsin view state ↗ 3 B ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/GERO ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2890668 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z