Kebnat
PLANTS

Redtop

Agrostis gigantea

Plants
IntroducedHerbPerennialYellow flowers
Redtop, photo 1 of 5
Redtop, In flower
Redtop, photo 3 of 5
20–150 cmHeight

Perennial herbaceous plant reaching 20–150 cm. Introduced to Québec. Grows in fields.

There are 235 observations of Redtop in Québec, mostly in Côte-Nord, Capitale-Nationale and Estrie, and it has been reported in 15 of the 17 regions. They peak in July and August and become rare from November to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Côte-Nord60
  2. Capitale-Nationale26
  3. Estrie24
  4. Lanaudière23
  5. Laurentides22
  6. Chaudière-Appalaches15
  7. Saguenay–Lac-Saint-Jean14
  8. Outaouais14
  9. Montérégie10
  10. Montréal8
  11. Bas-Saint-Laurent7
  12. Gaspésie–Îles-de-la-Madeleine5
  13. Mauricie4
  14. Laval2
  15. Abitibi-Témiscamingue1

Habitat

FieldsMario Hains

Similar species

Colonial bentgrassAgrostis capillaris
FeathertopCalamagrostis epigejos
Creeping bentgrassAgrostis stolonifera
Smooth bromeBromus inermis
Old switch panic grassPanicum virgatum
Kentucky bluegrassPoa pratensis
Tufted hairgrassDeschampsia cespitosa
TOXIC
Aleppo grassSorghum halepense
Common reedPhragmites australis
Fowl bluegrassPoa palustris
TOXIC
Gardener's-gartersPhalaris arundinacea
Petticoat-climberEragrostis spectabilis