Index / Search / Hypericum boreale
§1 Plant
Hypericum boreale (Britton) E.P. Bicknell
vernacular northern St. Johnswort — species · Clusiaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Clusiaceae Lindl.
- Genus
- Hypericum
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Native
§2b
County-level range
· 220 counties across 17 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- Medium
- Moisture use
- High
- Fire
- Medium
- Salinity
- None
- Anaerobic
- High
- CaCO₃
- Low
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -33 °F minimum
- Frost-free days
- 90 min.
- Precipitation
- 30–55 in/yr
- pH range
- 4.4–6
- Root depth
- 8 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Stoloniferous
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 0.8 ft
- Foliage texture
- Coarse
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Summer
- Seed abundance
- High
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Slow
- Stratify
- Yes
- Propagation
- sprigs
§3e
Use & availability
- Commercial availability
- No Known Source
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 220 counties across 17 states/territories.
Delaware view state ↗ 1 N ▾
Illinois view state ↗ 2 N ▾
Indiana view state ↗ 9 N ▾
Maine view state ↗ 16 N ▾
Massachusetts view state ↗ 13 N ▾
Michigan view state ↗ 38 N ▾
- Alger 26003
- Allegan 26005
- Baraga 26013
- Benzie 26019
- Berrien 26021
- Calhoun 26025
- Cass 26027
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clare 26035
- Delta 26041
- Gladwin 26051
- Gogebic 26053
- Houghton 26061
- Iron 26071
- Kalamazoo 26077
- Kalkaska 26079
- Kent 26081
- Keweenaw 26083
- Lake 26085
- Luce 26095
- Manistee 26101
- Marquette 26103
- Mecosta 26107
- Missaukee 26113
- Muskegon 26121
- Oakland 26125
- Oceana 26127
- Ontonagon 26131
- Presque Isle 26141
- Roscommon 26143
- Schoolcraft 26153
- St. Joseph 26149
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
- Wexford 26165
Minnesota view state ↗ 13 N ▾
New Hampshire view state ↗ 9 N ▾
New Jersey view state ↗ 16 N ▾
New York view state ↗ 27 N ▾
- Albany 36001
- Chenango 36017
- Columbia 36021
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Hamilton 36041
- Herkimer 36043
- Lewis 36049
- Monroe 36055
- Oneida 36065
- Oswego 36075
- Queens 36081
- Rensselaer 36083
- Rockland 36087
- Saratoga 36091
- St. Lawrence 36089
- Suffolk 36103
- Sullivan 36105
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Wyoming 36121
Pennsylvania view state ↗ 18 N ▾
Rhode Island view state ↗ 4 N ▾
Vermont view state ↗ 8 N ▾
Virginia view state ↗ 1 N ▾
West Virginia view state ↗ 2 N ▾
Wisconsin view state ↗ 38 N ▾
- Adams 55001
- Ashland 55003
- Barron 55005
- Bayfield 55007
- Buffalo 55011
- Burnett 55013
- Columbia 55021
- Dane 55025
- Douglas 55031
- Eau Claire 55035
- Florence 55037
- Forest 55041
- Iowa 55049
- Iron 55051
- Jackson 55053
- Kewaunee 55061
- Langlade 55067
- Lincoln 55069
- Marathon 55073
- Marinette 55075
- Marquette 55077
- Menominee 55078
- Monroe 55081
- Oconto 55083
- Oneida 55085
- Polk 55095
- Portage 55097
- Price 55099
- Richland 55103
- Rusk 55107
- Sauk 55111
- Sawyer 55113
- Taylor 55119
- Vilas 55125
- Walworth 55127
- Waupaca 55135
- Waushara 55137
- Wood 55141
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/HYBO2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3189503 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z