Kebnat
PLANTS

Jerusalem artichoke

Helianthus tuberosus

Plants
IntroducedInvasiveHerbPerennialYellow flowers
Jerusalem artichoke, photo 1 of 5
Jerusalem artichoke, In flower
Jerusalem artichoke, In fruit
3.0 mHeight

Perennial herbaceous plant reaching 3.0 m. Introduced to Québec and invasive. Grows in fields and near water.

There are 237 observations of Jerusalem artichoke in Québec, mostly in Montérégie, Capitale-Nationale and Montréal, and it has been reported in 12 of the 17 regions. They peak in September and become rare from November to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Montérégie54
  2. Capitale-Nationale35
  3. Montréal34
  4. Outaouais33
  5. Chaudière-Appalaches15
  6. Laurentides15
  7. Lanaudière14
  8. Centre-du-Québec12
  9. Estrie11
  10. Mauricie10
  11. Laval3
  12. Gaspésie–Îles-de-la-Madeleine1

Habitat

FieldsBoaz Yoffe B Sc
Water’s edgepeupleloup

Similar species

Woodland sunflowerHelianthus divaricatus
Smooth oxeyeHeliopsis helianthoides
Paleleaf woodland sunflowerHelianthus strumosus
SunflowerHelianthus annuus
Thinleaf sunflowerHelianthus decapetalus
Sawtooth sunflowerHelianthus grosseserratus
TOXIC
Cup plantSilphium perfoliatum
Stiff sunflowerHelianthus pauciflorus
Cutleaf coneflowerRudbeckia laciniata
Giant sunflowerHelianthus giganteus
Maximilian sunflowerHelianthus maximiliani
TOXIC
SoapwortSaponaria officinalis