Hypericaceae
Lesser Canadian St. Johnswort
Hypericum canadense
- Family
- Hypericaceae
- Genus
- Hypericum
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Common names
By language (3)
- Dutch
- Canadees hertshooi
- English
- Lesser Canadian St. Johnswort
- Welsh
- Eurinllys Iwerddon
Synonyms
- Brathys canadensis (L.) Spach
- Hypericum canadense f. minimum (Choisy) J.Rousseau
- Hypericum canadense var. canadense
- Hypericum canadense var. galiiforme Fernald
- Hypericum canadense var. magninsulare Weath.
- Hypericum canadense var. minimum Choisy
- Hypericum hedyotifolium Poir.
- Sarothra canadensis (L.) Raf.
Flowers
- In flower
- July to September (from 172 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: Tom Norton, CC BY 4.0, from iNaturalist 
FlowerPhoto: er-birds, CC BY 4.0, from iNaturalist 
FlowerPhoto: Lynn Harper, CC0, from iNaturalist 
Photo: Choess, CC BY-SA 3.0, from Wikimedia Commons 
Photo: davecz2, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ryan, CC0, from iNaturalist 
Photo: davecz2, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Laura J. Costello, CC BY 4.0, from iNaturalist 
Photo: Fritz Flohr Reynolds, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Christian Grenier, CC0, from Wikimedia Commons 
Photo: Kristen Van Neste, CC0, from Wikimedia Commons
More in Hypericum
- Common St. JohnswortHypericum perforatumHypericaceae
- Spotted St. JohnswortHypericum maculatumHypericaceae
- Sweet-amberHypericum androsaemumHypericaceae
- Hairy St John's-wortHypericum hirsutumHypericaceae
- Trailing St. JohnswortHypericum humifusumHypericaceae
- Mountain St. John's WortHypericum montanumHypericaceae
- PeterwortHypericum tetrapterumHypericaceae
- Aaron's beardHypericum calycinumHypericaceae
- Slender St John's-wortHypericum pulchrumHypericaceae
- Goat St John's wortHypericum hircinumHypericaceae
- Goldencup St. John's wortHypericum patulumHypericaceae
- Hypericum triquetrifoliumHypericaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.