This has been a phenomenal year for germination of noxious weeds. Scotch thistle, for instance. Scotch thistle grows up to 13 feet tall. Cutting the root 2 inches below ground will kill that root and ...

If life were a comic book, they’d be considered the super villains. Once introduced to an area, they become bent on world domination. They are oblivious to boundaries of land ownership, political ...

The issue: Scotch thistle (Onopordum acanthium L.), is a non-native plant from Eurasia. This biennial, which can reach 12 feet, forms a rosette with large leaves and a deep taproot the first season.

In 1998, musk thistle was put on the noxious weed list for all counties in Oklahoma. The law states, “It shall be the duty of every landowner in each county to treat, control or eradicate all Canada, ...

I tugged hard on the huge musk thistle with gloved hands, but it wouldn’t budge. I stood and removed the foot-long blade I save for just such occasions and gave the stem a whack near ground level. The ...