Common names: Jerusalem artichoke
Helianthus tuberosus (Jerusalem artichoke) is a perennial herb/ (family Asteraceae) with yellow flowers and oval shaped leaves found in the San Francisco Bay area and south coast ranges of California. It is native to eastern North America. It favors grasslands, woodlands, and riparian and bottomland habitat. It reproduces via seeds and tubers. Birds are the main source of seed dispersal.
Cal-IPC Rating: Watch
CDFA Rating: None?
Plant Risk Assessment
Plant Risk Assessment- An evaluation of the potential for a plant to be invasive in California.
Weed Management NotesNo Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.
Cal-IPC Newsletter Articles
- Spotting rare weeds in Bay Area creeks. Mo, Jennifer. Vol 31, Issue 1
Cal-IPC Symposium Presentations
Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.
- Regional EDRR with Bay Area WMAs. Johnson, Doug; Valentine, Nicole (2022)
Other Helianthus tuberosus Information
- CalPhotos - Images of plants taken mostly in California.
- Calflora - Distribution map and records of this species in California.
- CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
- EDDMapS - Distribution of this species in North America.
- USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.