Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Nevada Noxious Weed Field Guide – Goatsrue, Extension, University of Nevada, Reno, Field Guide

Stem

  • Generally grows 2-5 ft. tall; highly branched with numerous stems that arise from the crown
Photo of goatsrue plant
 

Leaves

  • Pinnately-compound with 5-8 pairs of leaflets; leaflets are oval to lance-shaped, 0.5-1.5 in. long and lack hair (glabrous); edges (margins) are smooth
Photo of goatsrue plant with pink flowers at the top

 

Flower

  • Purple to white, less than 0.5 in. long and clustered on stalks at tips of branches
  • Pods are 1-2 in. long and contain numerous seeds
Photo of goatsrue plant with pink flowers
 

Root

  • Non-spreading taproot; roots associate with nitrogen-fixing bacteria
Photo of goatsrue seed pods
Photo of goatsrue seed pods

 

Other

  • Grows best in moist areas; often found in fencelines, pastures, roadsides, marshy areas and along waterways; not known to occur in Nevada 
  • Native to the Middle East; introduced to northern Utah as a potential forage plant but was found to be unpalatable and highly toxic to livestock
  • Listed on the Federal Noxious Weed List
Photo of goatsrue plant with pink flowers

 

Control

  • Hand removal of individual plants can limit spread of small infestations; mowing and tillage (particularly shallow tillage) are NOT effective
  • Apply 2,4-D, dicamba or triclopyr to actively growing plants; apply aminocyclopyrachlor, aminopyralid, chlorsulfuron, metsulfuron or picloram pre- or post emergence

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Also of Interest:

 
goatsrue by river
Nevada Noxious Weed Field Guide – Goatsrue
Goatsrue is a noxious weed that has been identified by the state of Nevada to be harmful to agriculture, the general public, or the environment. Learn more about this weed.
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Extension, University of Nevada, Reno, Field Guide