Asteraceae
Cape Sable whiteweed
Ageratum littorale
- Family
- Asteraceae
- Genus
- Ageratum
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Common names
By language (1)
- English
- Cape Sable whiteweed
Synonyms
- Ageratum intermedium Hemsl.
- Ageratum littorale f. album Moldenke
- Ageratum littorale f. setigerum B.L.Rob.
- Ageratum maritimum var. intermedium (Hemsl.) B.L.Rob.
Flowers
- In flower
- March to April, November to December (from 17 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Dominic Gentilcore, CC BY 4.0, from iNaturalist 
Photo: Eric Knight, CC BY 4.0, from iNaturalist
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Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.