Source: California Invasive Plant Council

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Asphodelus fistulosus (onionweed)

Asphodelus fistulosus
Asphodelus fistulosus
Photo courtesy Joseph DiTomaso

Asphodelus fistulosus (onionweed) is an annual/perennial herb (family Liliaceae) found in dry, sandy and rocky places, as well as pastures, roadsides and waste places. Livestock avoid eating it, allowing it to create dense stands that crowd out more desirable forage species in pastures. It is primarily found along coastal regions of southern California.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Asphodelus fistulosus

Cal-IPC News Articles

  • None for this species.

Cal-IPC Symposium Proceedings

  • DiTomaso, J. M. (2004). 2004 Cal-IPC Red Alert! New invasions, recent expansions, and a few others to be on the look-out for. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Sanders, A. C. (1998). Invasive exotics in California: A perspective from inland Southern California. California Exotic Pest Plant Council Symposium '98. Ontario, CA.

Other Resources on Asphodelus fistulosus