Woolly Thistle

Scotch Thistle
Scotch Thistle
Forage Production Scotch thistle (Onopordum acanthium) also known as cotton thistle or woolly thistle is native of Europe and eastern Asia and is probably an escaped ornamental plant. Scotch thistle stands are dense and practically impenetrable due to the weed's spiny nature and large size. It spreads by seed and generally inhabits moist sites or drainages in dry locations. It was introduced in the 1800s to the United States and it crowds out native species and crops. Scotch thistle is a branch