Noxious Weeds Profile - Dodder spp.

Table of Contents


  • English - field dodder
  • French - cuscute
  • Latin Name - Cuscuta spp.


Dodder, twining around a host plant.
Dodder, twining around a host plant.

Current Status

  • Ontario Weeds Act - noxious
  • Other provinces - noxious in Alberta, Manitoba, British Columbia, and Quebec
  • Canadian Federal Seeds Act - Class 1
  • U.S. Federal Noxious Weed - noxious
  • U.S. Noxious State Reg - 22 states (including Mich, Indiana, New York)


  • Pub 505 - no
  • NE Weeds - no
  • Canadian Poison Plant - not listed
  • Cornell Poison Plant - not listed


  • Mostly in moist soil areas. Not a common weed in Ontario but found in a few locations.

Growth Habit

  • Annual

Method of Propagation

  • Seeds


  • Listed on the Roundup label.

Other Comments

  • A parasitic plant that winds around plants and sucks juices out of the host plant. Dense masses of tangled threads. Several species, with Field Dodder being the most common in Ontario. Seeds are long lived in the soil.


Related Links


For more information:
Toll Free: 1-877-424-1300
Author: Mike Cowbrough - Chief Weed Inspector Ontario Weeds Act\OMAFRA
Creation Date: March 2003
Last Reviewed: 28 December 2006