Thistles are invasive weeds of pasture, reducing carrying capacity. Artichoke thistle has the ability to dominate the vegetation of an area once it becomes established. The large plants smother most pasture growth as well as drawing much moisture and nutrient from the soil. It may also compete with crops and impede harvesting operations. The prickly nature of the leaves deters sheep and cattle from areas of heavy infestation.
Artichoke thistle is a native of the Mediterranean regions.
Artichoke thistle grows mainly on medium to heavy soils.
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The requirements in the Noxious Weeds Act 1993 for a notifiable weed must be complied with