Kebnat
PLANTS

Brittlestem hempnettle

Galeopsis tetrahit

Plants
IntroducedHerbAnnualjuillet to septembre
Brittlestem hempnettle, photo 1 of 5
Brittlestem hempnettle, In flower
Brittlestem hempnettle, In fruit

Annual herbaceous plant. Introduced to Québec. Grows in thickets. Flowers from July to September.

There are 691 observations of Brittlestem hempnettle in Québec, mostly in Capitale-Nationale, Côte-Nord and Estrie, and it has been reported in every region. They peak in July and August and become rare from October to June.

Through the year

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Where to see it

  1. Capitale-Nationale122
  2. Côte-Nord102
  3. Estrie72
  4. Chaudière-Appalaches55
  5. Outaouais51
  6. Montérégie46
  7. Gaspésie–Îles-de-la-Madeleine38
  8. Laurentides36
  9. Lanaudière32
  10. Saguenay–Lac-Saint-Jean30
  11. Abitibi-Témiscamingue28
  12. Bas-Saint-Laurent26
  13. Montréal19
  14. Mauricie14
  15. Centre-du-Québec11
  16. Nord-du-Québec7
  17. Laval2

Habitat

ThicketsNicholas A. Tonelli

Similar species

Splitlip hempnettleGaleopsis bifida
Red hempnettleGaleopsis ladanum
White deadnettleLamium album
TOXIC
Edmonton hempnettleGaleopsis speciosa
Wild basilClinopodium vulgare
Spotted henbitLamium maculatum
Purple deadnettleLamium purpureum
Common selfhealPrunella vulgaris
American Corn MintMentha canadensis
Marsh hedgenettleStachys palustris
TOXIC
Smallflower touch-me-notImpatiens parviflora
Ornamental jewelweedImpatiens glandulifera