Farmland, gardens, grassland, hedgerows, roadsides, wasteland.
Solitary, pale purple, globe-shaped flowers, up to 6cm across. Very spiny bracts. Pollinated by bees.
Very spiny, oblong, alternate leaves. The stems are winged and have triangular spines. Covered in many fine hairs making the plant look silvery-grey. This biennial is our tallest Thistle in the UK.
Argentine Thistle, Down Thistle, Giant Thistle, Musk Thistle, Oak Thistle, Oat Thistle, Queen Mary's Thistle, Scotch Cottonthistle, Scotch Thistle, Scots Thistle, Silver Thistle, Star Thistle, Thistle-upon-thistle.