Kebnat
PLANTS

Redroot amaranth

Amaranthus retroflexus

Plants
ToxicIntroducedHerbAnnualaoût to novembre
Redroot amaranth, In flower
Redroot amaranth, In fruit
Redroot amaranth, Flower buds

Toxic. Annual herbaceous plant. Introduced to Québec. Grows in fields. Flowers from August to November.

There are 338 observations of Redroot amaranth in Québec, mostly in Montérégie, Montréal and Capitale-Nationale, and it has been reported in 14 of the 17 regions. They peak in August and become rare from November to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Montérégie60
  2. Montréal49
  3. Capitale-Nationale42
  4. Lanaudière40
  5. Chaudière-Appalaches36
  6. Laurentides23
  7. Saguenay–Lac-Saint-Jean17
  8. Laval13
  9. Outaouais13
  10. Mauricie11
  11. Estrie11
  12. Centre-du-Québec10
  13. Bas-Saint-Laurent7
  14. Abitibi-Témiscamingue6

Habitat

FieldsBoaz Yoffe B Sc

Similar species

Powell's amaranthAmaranthus powellii
Smooth PigweedAmaranthus hybridus
Purple amaranthAmaranthus blitum
Red amaranthAmaranthus cruentus
LambsquartersChenopodium album
Giant ragweedAmbrosia trifida
TOXIC
Curly dockRumex crispus
Giant sumpweedEuphrosyne xanthiifolia
Many-seed goosefootLipandra polysperma
Mat amaranthAmaranthus blitoides
Prostrate pigweedAmaranthus albus
SowbaneChenopodiastrum murale