Thistle, Scotch | Onopordum acanthium
Biennial; foliage is covered with woolly, pale gray hairs which give the plant a grey-green or silvery color. Stems are winged with spines along the entire length. White or purple flowers stand alone on branch tips.
Plant Details
Habitat Notes | Disturbed sites, pastures, fields, rangelands, riparian areas, roadsides and annual grasslands. |
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Mature Height | 6-12’ |