Kebnat
PLANTS

Northern St. Johnswort

Hypericum boreale

Plants
NativeHerbPerennialYellow flowers
Northern St. Johnswort, photo 1 of 5
Northern St. Johnswort, In flower
Northern St. Johnswort, In fruit
24 cmHeight

Perennial herbaceous plant reaching 24 cm. Grows near water and in marshes.

There are 144 observations of Northern St. Johnswort in Québec, mostly in Côte-Nord, Laurentides and Nord-du-Québec, and it has been reported in 15 of the 17 regions. They peak in August.

Through the year

JFMAMJJASOND

Where to see it

  1. Côte-Nord47
  2. Laurentides23
  3. Nord-du-Québec15
  4. Capitale-Nationale9
  5. Mauricie9
  6. Gaspésie–Îles-de-la-Madeleine8
  7. Estrie7
  8. Outaouais6
  9. Lanaudière5
  10. Bas-Saint-Laurent4
  11. Abitibi-Témiscamingue4
  12. Montérégie2
  13. Centre-du-Québec2
  14. Saguenay–Lac-Saint-Jean2
  15. Montréal1

Habitat

MarshAlexander Rumpel
Water’s edgeGogerr

Similar species

Dwarf St. JohnswortHypericum mutilum
Common St. JohnswortHypericum perforatum
Pale St. JohnswortHypericum ellipticum
Lesser Canadian St. JohnswortHypericum canadense
Fraser's marsh St. JohnswortHypericum fraseri
Large St. JohnswortHypericum majus
Canadian waterweedElodea canadensis