This plant likes dry, nutrient-poor soil and can thrive in hot and dry environments. A closely related species, the Scottish thistle, is an invasive species to avoid. Globe thistle can still ...

Scotch thistle is commonly found in pastures, and also in orchards, lawns, waste areas and crops. As a vegetative rosette, it can tolerate mowing. However stem elongation ("bolting") occurs when the ...

Canada thistle (Cirsium arvense) is an aggressive, invasive plant. Here's how it spreads and how to identify it so it doesn't ...

Spot-spraying is another option for flowering plants, using herbicides such as aminopyralid (T-Max), 2,4-D/dicamba, clopyralid or triclopyr/picloram. Scotch thistle is the most common thistle species ...