Stachytarpheta jamaicensis

Blue snake weed

Other common names:

Blue poterweed, snakeweed.



  • Erect herb up to 1.2 m composing of branches that are close to the ground The weed has opposite leaves and a terminal whip-like spike comprising of blue to purple embedded flowers.
  • Blue to purple flowers in colour
  • Seeds spread by soil and water movement
  • It is a weed of disturbed areas that favours part shade and sandy soils.


Control options:

  • Pesticides: See available tabs below for registered products. Use as per label instructions.
  • Integrated Pest Management (IPM):
    • Use a combination of approaches listed on this page.
  • Cultural: Nil.
  • Mechanical: Nil.



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Control Options

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