Bull Thistle - Search
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  1. Description

    It is a tall biennial or short-lived monocarpic thistle, forming a rosette of leaves and a taproot up to 70 cm (28 in) long in the first … See more

    Cirsium vulgare - Wikipedia

    • Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). It is also naturalised in North America, Africa, and Australia and is an invasive weed in several regions. It is t… See more

    Ecology

    Spear thistle is often a ruderal species, colonising bare disturbed ground, but also persists well on heavily grazed land as it is unpalatable to most grazing animals. Nitrogen-rich soils help increase its proliferation… See more

    Other names

    Common names include bull thistle, Scots, Scottish, or Scotch thistle, and common thistle. See more

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