Cistaceae
Canada frostweed
Crocanthemum canadense
- Family
- Cistaceae
- Genus
- Crocanthemum
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Common names
By language (4)
- Arabic
- عشبة الصقيع
- Chinese
- 加拿大半日花
- English
- Canada frostweed, Longbranch frostweed
- Japanese
- クロカンテムム・カナデンセ, カナダフロストウィード, カナダシスタス
Synonyms
- Cistus canadensis L.
- Cistus ramuliflorus Poir.
- Cistus virgatus Thibaud ex Dunal
- Crocanthemum majus (L.) Britton
- Halimium canadense (L.) Grosser
- Helianthemum canadense (L.) Michx.
- Helianthemum canadense var. sabulonum Fernald
- Helianthemum corymbosum Pursh
- Helianthemum major (L.) Britton, Sterns & Poggenb.
- Helianthemum majus (L.) Britton, Sterns & Poggenb.
- Helianthemum ramuliflorum Michx.
- Heteromeris canadensis (L.) Spach
- Heteromeris cymosa Spach
- Heteromeris major (L.) Ponzo
- Heteromeris michauxii Spach
- Lechea major L.
- Trichasterophyllum canadense (L.) Farw.
- Trichasterophyllum majus (L.) Farw.
Flowers
- In flower
- May to June (from 247 flowering iNaturalist observations worldwide)
Photos
FlowerPhoto: bobkennedy, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: Julie McLaughlin, CC BY 4.0, from iNaturalist 
FlowerPhoto: er-birds, CC BY 4.0, from iNaturalist 
FlowerPhoto: Henry Frye, CC0, from iNaturalist 
Photo: H. Zell, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Ian Manning, CC BY 4.0, from iNaturalist 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Bryan Connolly, CC BY 4.0, from iNaturalist 
Photo: wackybadger, CC BY-SA 2.0, from Wikimedia Commons 
Photo: agbelliveau, CC0, from iNaturalist 
Photo: Derek, CC BY 4.0, from iNaturalist 
Photo: Ryan Sorrells, CC BY 4.0, from iNaturalist
More in Crocanthemum
- Clustered frostweedCrocanthemum glomeratumCistaceae
- Island rushroseCrocanthemum greeneiCistaceae
- Crocanthemum corymbosumCistaceae
- Bushy frostweedCrocanthemum dumosumCistaceae
- Bisbee Peak rushroseCrocanthemum scopariumCistaceae
- Hoary frostweedCrocanthemum bicknelliiCistaceae
- Carolina frostweedCrocanthemum carolinianumCistaceae
- Florida scrub frostweedCrocanthemum nashiiCistaceae
- Low frostweedCrocanthemum propinquumCistaceae
- Coastal sand frostweedCrocanthemum arenicolaCistaceae
- Crocanthemum argenteumCistaceae
- Georgia frostweedCrocanthemum georgianumCistaceae
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). About our plant data.