Cistaceae
Hoary frostweed
Crocanthemum bicknellii
- Family
- Cistaceae
- Genus
- Crocanthemum
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Common names
By language (1)
- English
- Hoary frostweed
Synonyms
- Halimium majus Grosser
- Helianthemum bicknellii Fernald
- Helianthemum canadense var. walkerae W.H.Evans
- Helianthemum majus E.P.Bicknell
- Helianthemum walkerae (W.H.Evans) M.W.Lyon
Flowers
- In flower
- June to July (from 33 flowering iNaturalist observations worldwide)
Photos
FlowerPhoto: aarongunnar, CC BY 4.0, from iNaturalist 
FlowerPhoto: infiniteuniverse, CC0, from iNaturalist 
FlowerPhoto: Owen Strickland, CC BY 4.0, from iNaturalist 
FlowerPhoto: Mary Krieger, CC BY 4.0, from iNaturalist 
FruitPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist 
Photo: Douglas Goldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: brendanboyd, CC BY 4.0, from iNaturalist 
Photo: Douglas Goldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Bryan Connolly, CC BY 4.0, from iNaturalist 
Photo: Brandon Corder, CC BY 4.0, from iNaturalist 
Photo: Alaina Krakowiak, CC BY 4.0, from iNaturalist 
Photo: Brandon Corder, CC BY 4.0, from iNaturalist
More in Crocanthemum
- Clustered frostweedCrocanthemum glomeratumCistaceae
- Island rushroseCrocanthemum greeneiCistaceae
- Crocanthemum corymbosumCistaceae
- Bushy frostweedCrocanthemum dumosumCistaceae
- Bisbee Peak rushroseCrocanthemum scopariumCistaceae
- Canada frostweedCrocanthemum canadenseCistaceae
- 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.