Kebnat
PLANTS

Quackgrass

Elymus repens

Plants
IntroducedHerbPerennialYellow flowers
Quackgrass, photo 1 of 5
Quackgrass, In flower
Quackgrass, In fruit
79 cmHeight

Perennial herbaceous plant reaching 79 cm. Introduced to Québec. Grows in fields and in mountains.

There are 515 observations of Quackgrass in Québec, mostly in Côte-Nord, Lanaudière and Capitale-Nationale, and it has been reported in every region. They peak in June and July and become rare from October to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Côte-Nord153
  2. Lanaudière59
  3. Capitale-Nationale46
  4. Laurentides36
  5. Estrie31
  6. Montréal29
  7. Montérégie28
  8. Chaudière-Appalaches24
  9. Saguenay–Lac-Saint-Jean20
  10. Outaouais20
  11. Abitibi-Témiscamingue17
  12. Gaspésie–Îles-de-la-Madeleine16
  13. Bas-Saint-Laurent12
  14. Laval8
  15. Mauricie8
  16. Nord-du-Québec5
  17. Centre-du-Québec3

Habitat

FieldsMario Hains
MountainEmmanuel Milou

Similar species

Italian ryegrassLolium perenne
Slender wheatgrassElymus trachycaulus
TOXIC
Annual ryegrassLolium multiflorum
Dover grassLolium pratense
Tall oatgrassArrhenatherum elatius
CocksfootDactylis glomerata
TOXIC
Gardener's-gartersPhalaris arundinacea
Smooth bromeBromus inermis
Crested dogstail grassCynosurus cristatus
Crested wheatgrassAgropyron cristatum
Eurasian quackgrassThinopyrum obtusiflorum
FeathertopCalamagrostis epigejos