Easily recognizable due to its vase-shaped purple flowers with dandelion-like seeds, Canada thistle (Cirsium arvense) is a particularly aggressive invasive plant. Despite its name, Canada thistle ...

They produce abundant seeds, plus spread through their roots [rhizomes]. “New plants pop up from the roots, so where you had ...

unlike the leaves and unlike bull thistle and European marsh thistle pink, white, or lavender-colored flowers with flat bracts and pointed tips that bloom in June seed are fluffy, white tufts of hair ...

Fall tillage should be shallow (less than four inches) to avoid deep burial of weed seeds. Alternating intensive tillage during fallow years with cropping and spring and fall tillage can be used to ...

and covered in spines often found with multiple flowers per stem wind dispersed seeds carried by clusters of cotton-like fuzz Note: European marsh thistle is distinguished from Canada thistle by ...