Cynoglossum officinale - Boraginaceae Family - Biennial
Prevention (Prev) Monitor and destroy new plants before seed production.
Mechanical (Mech)) Hand pulling, digging, cutting, mowing and tilling.
Cultural (Cult) Biological control agents, livestock grazing, and revegetation practices.
Chemical (Chem) Selective herbicides based on the plant and the specific location. Check our weed fact sheets for specific control information.
Richard Old, XID Services, Inc.
J.M., G.B. Kyser et al. (2013). Weed
Control in Natural Areas in the Western United States [PDF file]. Weed
Research and Information Center, University of California. Retrieved from https://wric.ucdavis.edu/information/natural%20areas/wr_C/Cynoglossum.pdf
(2017, September 19). Managing
houndstongue in natural areas. Retrieved from https://www.techlinenews.com/articles/2017/managing-houndstongue-cynoglossum-officinale-in-natural-areas
S. & Sheley, R. (2017, May). Houndstongue:
Identification, biology, and integrated management [PDF file]. Retrieved
Noxious Weed Program. (2018, April 8). Houndstongue
identification and control. Retrieved from https://www.kingcounty.gov/services/environment/animals-and-plants/noxious-weeds/weed-identification/houndstongue.aspx
(2018, April). Houndstongue (cynoglossum
officinale L.) identification and control STOP THE SPREAD. Retrieved from https://www.ag.ndsu.edu/publications/crops/houndstongue-cynoglossum-officinale-l-identification-and-control-stop-the-spread
State University Whitman County Extension. (2006, September). Houndstongue. Retrived from https://extension.wsu.edu/whitman/2013/11/houndstongue/