Index / Search / Penstemon digitalis
§1 Plant
Penstemon digitalis Nutt. ex Sims
vernacular foxglove beardtongue — species · Scrophulariaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Scrophulariaceae Juss.
- Genus
- Penstemon
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Native
§2b
County-level range
· 812 counties across 32 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- High
- Shade
- Low
- Moisture use
- Low
- Fire
- Medium
- Salinity
- Medium
- Anaerobic
- Low
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 110 min.
- Precipitation
- 30–55 in/yr
- pH range
- 5.5–7
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium, fine
§3c
Form & growth
- Growth form
- Rhizomatous
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 4 ft
- Foliage texture
- Fine
- Foliage colour
- Red
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Purple
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Slow
- Stratify
- No
- Seeds / lb
- 400,000
- Propagation
- seed, container, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- Medium
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 812 counties across 32 states/territories.
Alabama view state ↗ 2 N ▾
Arkansas view state ↗ 56 N ▾
- Arkansas 05001
- Ashley 05003
- Baxter 05005
- Benton 05007
- Bradley 05011
- Carroll 05015
- Clark 05019
- Clay 05021
- Cleburne 05023
- Cleveland 05025
- Columbia 05027
- Conway 05029
- Craighead 05031
- Crawford 05033
- Cross 05037
- Dallas 05039
- Desha 05041
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Fulton 05049
- Garland 05051
- Grant 05053
- Hempstead 05057
- Hot Spring 05059
- Howard 05061
- Independence 05063
- Izard 05065
- Jefferson 05069
- Lafayette 05073
- Lee 05077
- Lincoln 05079
- Logan 05083
- Lonoke 05085
- Marion 05089
- Miller 05091
- Monroe 05095
- Montgomery 05097
- Nevada 05099
- Newton 05101
- Pike 05109
- Poinsett 05111
- Polk 05113
- Pope 05115
- Prairie 05117
- Pulaski 05119
- Saline 05125
- Scott 05127
- Sebastian 05131
- Sharp 05135
- St. Francis 05123
- Stone 05137
- Union 05139
- Washington 05143
- White 05145
- Woodruff 05147
Delaware view state ↗ 1 N ▾
District of Columbia view state ↗ 1 N ▾
Illinois view state ↗ 89 N ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Boone 17007
- Brown 17009
- Calhoun 17013
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hamilton 17065
- 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
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- Menard 17129
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Randolph 17157
- Richland 17159
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Union 17181
- Vermilion 17183
- Wabash 17185
- Washington 17189
- Wayne 17191
- White 17193
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 46 N ▾
- Allen 18003
- Blackford 18009
- Boone 18011
- Brown 18013
- Carroll 18015
- Cass 18017
- Clark 18019
- Crawford 18025
- Dearborn 18029
- Floyd 18043
- Franklin 18047
- Gibson 18051
- Grant 18053
- Hancock 18059
- Henry 18065
- Howard 18067
- Jackson 18071
- Jasper 18073
- Jefferson 18077
- Jennings 18079
- Johnson 18081
- Knox 18083
- Lake 18089
- LaPorte 18091
- Lawrence 18093
- Marion 18097
- Monroe 18105
- Montgomery 18107
- Morgan 18109
- Newton 18111
- Noble 18113
- Owen 18119
- Pulaski 18131
- Putnam 18133
- Ripley 18137
- St. Joseph 18141
- Starke 18149
- Steuben 18151
- Sullivan 18153
- Tippecanoe 18157
- Wabash 18169
- Warrick 18173
- Washington 18175
- Wayne 18177
- Wells 18179
- White 18181
Iowa view state ↗ 3 N ▾
Kansas view state ↗ 25 N ▾
- Anderson 20003
- Atchison 20005
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Cherokee 20021
- Clay 20027
- Coffey 20031
- Crawford 20037
- Douglas 20045
- Franklin 20059
- Jackson 20085
- Jefferson 20087
- Johnson 20091
- Labette 20099
- Linn 20107
- Miami 20121
- Montgomery 20125
- Neosho 20133
- Ottawa 20143
- Republic 20157
- Shawnee 20177
- Wilson 20205
- Wyandotte 20209
Kentucky view state ↗ 55 N ▾
- Adair 21001
- Allen 21003
- Anderson 21005
- Barren 21009
- Bath 21011
- Boone 21015
- Bracken 21023
- Bullitt 21029
- Caldwell 21033
- Calloway 21035
- Campbell 21037
- Carlisle 21039
- Carroll 21041
- Carter 21043
- Christian 21047
- Clark 21049
- Crittenden 21055
- Fayette 21067
- Floyd 21071
- Franklin 21073
- Gallatin 21077
- Graves 21083
- Greenup 21089
- Hardin 21093
- Harrison 21097
- Henry 21103
- Jackson 21109
- Jefferson 21111
- Kenton 21117
- Lawrence 21127
- Lee 21129
- Lewis 21135
- Lincoln 21137
- Livingston 21139
- Lyon 21143
- Madison 21151
- McCracken 21145
- McCreary 21147
- McLean 21149
- Meade 21163
- Menifee 21165
- Montgomery 21173
- Muhlenberg 21177
- Nelson 21179
- Ohio 21183
- Oldham 21185
- Owen 21187
- Pendleton 21191
- Powell 21197
- Pulaski 21199
- Rowan 21205
- Simpson 21213
- Trigg 21221
- Wayne 21231
- Wolfe 21237
Louisiana view state ↗ 26 N ▾
- Allen 22003
- Avoyelles 22009
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Caldwell 22021
- Claiborne 22027
- East Baton Rouge 22033
- Evangeline 22039
- Grant 22043
- Jackson 22049
- Jefferson Davis 22053
- LaSalle 22059
- Lincoln 22061
- Morehouse 22067
- Natchitoches 22069
- Ouachita 22073
- Rapides 22079
- Red River 22081
- Sabine 22085
- St. Helena 22091
- Union 22111
- Vernon 22115
- Webster 22119
- West Carroll 22123
- Winn 22127
Maine view state ↗ 12 N ▾
Massachusetts view state ↗ 12 N ▾
Michigan view state ↗ 36 N ▾
- Alpena 26007
- Benzie 26019
- Berrien 26021
- Charlevoix 26029
- Cheboygan 26031
- Delta 26041
- Eaton 26045
- Emmet 26047
- Gladwin 26051
- Gratiot 26057
- Hillsdale 26059
- Ingham 26065
- Ionia 26067
- Iosco 26069
- Iron 26071
- Jackson 26075
- Kalamazoo 26077
- Kent 26081
- Leelanau 26089
- Lenawee 26091
- Livingston 26093
- Macomb 26099
- Menominee 26109
- Midland 26111
- Monroe 26115
- Muskegon 26121
- Oakland 26125
- Ottawa 26139
- Presque Isle 26141
- Saginaw 26145
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
Minnesota view state ↗ 3 N ▾
Mississippi view state ↗ 3 N ▾
Missouri view state ↗ 96 N ▾
- Adair 29001
- Atchison 29005
- Audrain 29007
- Barry 29009
- Barton 29011
- Bates 29013
- Benton 29015
- Boone 29019
- Butler 29023
- Caldwell 29025
- Callaway 29027
- Camden 29029
- Cape Girardeau 29031
- Carroll 29033
- Carter 29035
- Cass 29037
- Cedar 29039
- Chariton 29041
- Christian 29043
- Clark 29045
- Clay 29047
- Cole 29051
- Cooper 29053
- Crawford 29055
- Dade 29057
- Dallas 29059
- Dent 29065
- Dunklin 29069
- Franklin 29071
- Gasconade 29073
- Greene 29077
- Grundy 29079
- Harrison 29081
- Henry 29083
- Hickory 29085
- Howard 29089
- Howell 29091
- Iron 29093
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Knox 29103
- Laclede 29105
- Lafayette 29107
- Lawrence 29109
- Lewis 29111
- Lincoln 29113
- Linn 29115
- Livingston 29117
- Macon 29121
- Madison 29123
- Maries 29125
- Marion 29127
- McDonald 29119
- Mercer 29129
- Miller 29131
- Moniteau 29135
- Monroe 29137
- Montgomery 29139
- Morgan 29141
- New Madrid 29143
- Newton 29145
- Oregon 29149
- Osage 29151
- Ozark 29153
- Perry 29157
- Pettis 29159
- Phelps 29161
- Pike 29163
- Polk 29167
- Pulaski 29169
- Putnam 29171
- Ralls 29173
- Randolph 29175
- Reynolds 29179
- Ripley 29181
- Saline 29195
- Scotland 29199
- Scott 29201
- Shannon 29203
- Shelby 29205
- St. Charles 29183
- St. Clair 29185
- St. Francois 29187
- St. Louis 29189
- Ste. Genevieve 29186
- Stoddard 29207
- Stone 29209
- Taney 29213
- Texas 29215
- Vernon 29217
- Warren 29219
- Washington 29221
- Wayne 29223
- Webster 29225
Nebraska view state ↗ 2 N ▾
New Hampshire view state ↗ 6 N ▾
New Jersey view state ↗ 16 N ▾
New York view state ↗ 37 N ▾
- Albany 36001
- Allegany 36003
- Bronx 36005
- Cayuga 36011
- Columbia 36021
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Genesee 36037
- Greene 36039
- Jefferson 36045
- Madison 36053
- Monroe 36055
- Nassau 36059
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Otsego 36077
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
North Carolina view state ↗ 6 N ▾
Ohio view state ↗ 73 N ▾
- Adams 39001
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Athens 39009
- Auglaize 39011
- Belmont 39013
- Brown 39015
- Butler 39017
- Carroll 39019
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Columbiana 39029
- Coshocton 39031
- Crawford 39033
- Cuyahoga 39035
- Darke 39037
- Delaware 39041
- Erie 39043
- Fairfield 39045
- Franklin 39049
- Fulton 39051
- Gallia 39053
- Geauga 39055
- Greene 39057
- Guernsey 39059
- Hamilton 39061
- Hancock 39063
- Harrison 39067
- Highland 39071
- Hocking 39073
- Holmes 39075
- Huron 39077
- Jackson 39079
- Jefferson 39081
- Knox 39083
- Lake 39085
- Lawrence 39087
- Licking 39089
- Logan 39091
- Lorain 39093
- Lucas 39095
- Madison 39097
- Mahoning 39099
- Medina 39103
- Meigs 39105
- Monroe 39111
- Montgomery 39113
- Morgan 39115
- Morrow 39117
- Muskingum 39119
- Noble 39121
- Perry 39127
- Pickaway 39129
- Pike 39131
- Portage 39133
- Richland 39139
- Ross 39141
- Sandusky 39143
- Scioto 39145
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Union 39159
- Vinton 39163
- Warren 39165
- Washington 39167
- Wayne 39169
- Wood 39173
- Wyandot 39175
Oklahoma view state ↗ 17 N ▾
Pennsylvania view state ↗ 61 N ▾
- Adams 42001
- Allegheny 42003
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Cambria 42021
- Cameron 42023
- Carbon 42025
- Centre 42027
- Chester 42029
- Clearfield 42033
- Clinton 42035
- Columbia 42037
- Crawford 42039
- Dauphin 42043
- Delaware 42045
- Elk 42047
- Erie 42049
- Fayette 42051
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Indiana 42063
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Montour 42093
- Northampton 42095
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Snyder 42109
- Somerset 42111
- Sullivan 42113
- Susquehanna 42115
- Tioga 42117
- Union 42119
- Venango 42121
- Warren 42123
- Washington 42125
- Wayne 42127
- Westmoreland 42129
- Wyoming 42131
- York 42133
Rhode Island view state ↗ 1 N ▾
South Carolina view state ↗ 1 N ▾
Tennessee view state ↗ 16 N ▾
Texas view state ↗ 14 N ▾
Vermont view state ↗ 10 N ▾
Virginia view state ↗ 27 N ▾
- Amelia 51007
- Augusta 51015
- Botetourt 51023
- Clarke 51043
- Culpeper 51047
- Dickenson 51051
- Fairfax 51059
- Fauquier 51061
- Greene 51079
- Greensville 51081
- Henrico 51087
- Lee 51105
- Loudoun 51107
- Louisa 51109
- Madison 51113
- Montgomery 51121
- Orange 51137
- Page 51139
- Prince William 51153
- Rappahannock 51157
- Roanoke 51161
- Rockingham 51165
- Shenandoah 51171
- Smyth 51173
- Sussex 51183
- Tazewell 51185
- Warren 51187
West Virginia view state ↗ 24 N ▾
- Barbour 54001
- Boone 54005
- Braxton 54007
- Doddridge 54017
- Gilmer 54021
- Grant 54023
- Hancock 54029
- Harrison 54033
- Jackson 54035
- Jefferson 54037
- Lewis 54041
- McDowell 54047
- Mineral 54057
- Monongalia 54061
- Monroe 54063
- Morgan 54065
- Ohio 54069
- Preston 54077
- Raleigh 54081
- Randolph 54083
- Tucker 54093
- Wayne 54099
- Wetzel 54103
- Wirt 54105
Wisconsin view state ↗ 35 N ▾
- Brown 55009
- Chippewa 55017
- Dane 55025
- Door 55029
- Grant 55043
- Green 55045
- Green Lake 55047
- Iowa 55049
- Iron 55051
- Jackson 55053
- La Crosse 55063
- Langlade 55067
- Lincoln 55069
- Manitowoc 55071
- Marathon 55073
- Marinette 55075
- Menominee 55078
- Milwaukee 55079
- Monroe 55081
- Oconto 55083
- Outagamie 55087
- Portage 55097
- Richland 55103
- Rock 55105
- Sauk 55111
- Shawano 55115
- Sheboygan 55117
- Taylor 55119
- Trempealeau 55121
- Walworth 55127
- Waukesha 55133
- Waupaca 55135
- Waushara 55137
- Winnebago 55139
- Wood 55141
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PEDI ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8251158 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z