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Environmental Weeds

Environmental weeds are often garden escapes and usually spread by birds or garden waste dumped inappropriately. In the past 30 years at least 35% of all plants that have become environmental weeds in Tasmanian were deliberately introduced as garden plants. These include:

  • Asparagus fern (also declared)
  • Cotoneaster
  • Fuchsia
  • Agapanthus
  • Holly
  • Ivy
  • Mirror bush
  • Foxglove
  • Sweet pittosporum
  • Perriwinkle
  • Poa aquatica/ Glyceria maxima


Holly has become an environmental weed, with birds spreading the seeds through our wet forest areas and along roadside fence lines Photo: A. Fergusson