Index / Search / Epilobium leptophyllum
§1 Plant
Epilobium leptophyllum Raf.
vernacular bog willowherb — species · Onagraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Onagraceae Juss.
- Genus
- Epilobium
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
§2b
County-level range
· 432 counties across 36 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- Medium
- Moisture use
- High
- Fire
- None
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 80 min.
- Precipitation
- 15–50 in/yr
- pH range
- 4–6.5
- Root depth
- 10 in min.
- Fertility need
- Low
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Single Stem
- Growth rate
- Slow
- Lifespan
- Moderate
- Mature height
- 3.6 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Red
- 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
- 3,000,000
- Propagation
- seed, bare root
§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 432 counties across 36 states/territories.
Alaska view state ↗ 1 N ▾
California view state ↗ 1 N ▾
Colorado view state ↗ 6 N ▾
Idaho view state ↗ 1 N ▾
Illinois view state ↗ 13 N ▾
Kansas view state ↗ 6 N ▾
Maine view state ↗ 13 N ▾
Maryland view state ↗ 3 N ▾
Massachusetts view state ↗ 14 N ▾
Michigan view state ↗ 45 N ▾
- Alger 26003
- Antrim 26009
- Baraga 26013
- Barry 26015
- Benzie 26019
- Berrien 26021
- Calhoun 26025
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Delta 26041
- Dickinson 26043
- Emmet 26047
- Genesee 26049
- Gogebic 26053
- Gratiot 26057
- Houghton 26061
- Ionia 26067
- Jackson 26075
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Leelanau 26089
- Lenawee 26091
- Livingston 26093
- Luce 26095
- Mackinac 26097
- Macomb 26099
- Manistee 26101
- Marquette 26103
- Menominee 26109
- Midland 26111
- Montmorency 26119
- Muskegon 26121
- Oakland 26125
- Oscoda 26135
- Otsego 26137
- Ottawa 26139
- Presque Isle 26141
- Roscommon 26143
- Schoolcraft 26153
- St. Clair 26147
- Tuscola 26157
- Van Buren 26159
- Washtenaw 26161
Minnesota view state ↗ 59 N ▾
- Aitkin 27001
- Anoka 27003
- Becker 27005
- Beltrami 27007
- Benton 27009
- Big Stone 27011
- Blue Earth 27013
- Carlton 27017
- Carver 27019
- Cass 27021
- Chippewa 27023
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Cook 27031
- Crow Wing 27035
- Dakota 27037
- Douglas 27041
- Goodhue 27049
- Hennepin 27053
- Houston 27055
- Hubbard 27057
- Isanti 27059
- Itasca 27061
- Jackson 27063
- Kanabec 27065
- Kandiyohi 27067
- Kittson 27069
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Le Sueur 27079
- Lincoln 27081
- Mahnomen 27087
- Mille Lacs 27095
- Morrison 27097
- Mower 27099
- Nicollet 27103
- Norman 27107
- Otter Tail 27111
- Pennington 27113
- Pine 27115
- Pipestone 27117
- Polk 27119
- Pope 27121
- Ramsey 27123
- Red Lake 27125
- Redwood 27127
- Roseau 27135
- Scott 27139
- Sherburne 27141
- St. Louis 27137
- Stearns 27145
- Wabasha 27157
- Washington 27163
- Wilkin 27167
- Winona 27169
- Wright 27171
- Yellow Medicine 27173
Missouri view state ↗ 1 N ▾
Montana view state ↗ 4 N ▾
Nebraska view state ↗ 13 N ▾
Nevada view state ↗ 1 N ▾
New Hampshire view state ↗ 6 N ▾
New Jersey view state ↗ 7 N ▾
New Mexico view state ↗ 1 N ▾
New York view state ↗ 43 N ▾
- Albany 36001
- Bronx 36005
- Cattaraugus 36009
- Chemung 36015
- Columbia 36021
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Greene 36039
- Hamilton 36041
- Herkimer 36043
- Jefferson 36045
- Lewis 36049
- Madison 36053
- Monroe 36055
- Nassau 36059
- New York 36061
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Oswego 36075
- Otsego 36077
- Putnam 36079
- Queens 36081
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schoharie 36095
- Seneca 36099
- St. Lawrence 36089
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
North Carolina view state ↗ 2 N ▾
North Dakota view state ↗ 25 N ▾
- Barnes 38003
- Benson 38005
- Billings 38007
- Bowman 38011
- Burke 38013
- Divide 38023
- Eddy 38027
- Emmons 38029
- Foster 38031
- Grand Forks 38035
- Griggs 38039
- Kidder 38043
- LaMoure 38045
- McIntosh 38051
- Mountrail 38061
- Nelson 38063
- Oliver 38065
- Pembina 38067
- Ransom 38073
- Richland 38077
- Slope 38087
- Steele 38091
- Stutsman 38093
- Ward 38101
- Williams 38105
Ohio view state ↗ 19 N ▾
Oklahoma view state ↗ 1 N ▾
Oregon view state ↗ 2 N ▾
Pennsylvania view state ↗ 32 N ▾
- Bedford 42009
- Berks 42011
- Bradford 42015
- Bucks 42017
- Centre 42027
- Chester 42029
- Clearfield 42033
- Clinton 42035
- Crawford 42039
- Delaware 42045
- Elk 42047
- Erie 42049
- Jefferson 42065
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Somerset 42111
- Sullivan 42113
- Tioga 42117
- Warren 42123
- Wayne 42127
Rhode Island view state ↗ 2 N ▾
South Dakota view state ↗ 8 N ▾
Tennessee view state ↗ 3 N ▾
Vermont view state ↗ 7 N ▾
Virginia view state ↗ 6 N ▾
Washington view state ↗ 2 N ▾
West Virginia view state ↗ 7 N ▾
Wisconsin view state ↗ 64 N ▾
- Adams 55001
- Ashland 55003
- Barron 55005
- Bayfield 55007
- Brown 55009
- Buffalo 55011
- Burnett 55013
- Calumet 55015
- Chippewa 55017
- Columbia 55021
- Crawford 55023
- Dane 55025
- Dodge 55027
- Door 55029
- Douglas 55031
- Dunn 55033
- Florence 55037
- Fond du Lac 55039
- Forest 55041
- Green 55045
- Green Lake 55047
- Iron 55051
- Jackson 55053
- Jefferson 55055
- Kenosha 55059
- Kewaunee 55061
- La Crosse 55063
- Lafayette 55065
- Langlade 55067
- Lincoln 55069
- Manitowoc 55071
- Marathon 55073
- Marinette 55075
- Marquette 55077
- Menominee 55078
- Milwaukee 55079
- Monroe 55081
- Oconto 55083
- Oneida 55085
- Outagamie 55087
- Ozaukee 55089
- Polk 55095
- Portage 55097
- Price 55099
- Racine 55101
- Richland 55103
- Rock 55105
- Rusk 55107
- Sauk 55111
- Sawyer 55113
- Shawano 55115
- Sheboygan 55117
- Taylor 55119
- Trempealeau 55121
- Vernon 55123
- Vilas 55125
- Walworth 55127
- Washburn 55129
- Washington 55131
- Waukesha 55133
- Waupaca 55135
- Waushara 55137
- Winnebago 55139
- Wood 55141
Wyoming view state ↗ 4 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/EPLE2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3189116 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z