Kebnat
PLANTS

Marsh st. john's wort

Hypericum virginicum

Plants
NativeHerbPerennial
Marsh st. john's wort, photo 1 of 5
Marsh st. john's wort, In flower
Marsh st. john's wort, In fruit
up to 70 cmHeight

Perennial herbaceous plant reaching up to 70 cm. Grows in marshes.

There are 93 observations of Marsh st. john's wort in Québec, mostly in Laurentides, Outaouais and Estrie, and it has been reported in 14 of the 17 regions. They peak in August and become rare from October to June.

Through the year

JFMAMJJASOND

Where to see it

  1. Laurentides21
  2. Outaouais14
  3. Estrie12
  4. Montérégie10
  5. Côte-Nord9
  6. Saguenay–Lac-Saint-Jean5
  7. Capitale-Nationale5
  8. Nord-du-Québec4
  9. Chaudière-Appalaches4
  10. Centre-du-Québec4
  11. Abitibi-Témiscamingue2
  12. Lanaudière1
  13. Mauricie1
  14. Montréal1

Habitat

MarshAlexander Rumpel

Similar species

Fraser's marsh St. JohnswortHypericum fraseri
Dwarf St. JohnswortHypericum mutilum
Purple loosestrifeLythrum salicaria
Common St. JohnswortHypericum perforatum
Great St. JohnswortHypericum ascyron
Pale St. JohnswortHypericum ellipticum
Japanese honeysuckleLonicera japonica
TOXIC
Hemp dogbaneApocynum cannabinum
Lesser Canadian St. JohnswortHypericum canadense
ButtonbushCephalanthus occidentalis