Thistles have reputations as especially prickly plants, and species found in Northcentral Texas and Southwestern Oklahoma are not exceptions. Some cultures and traditions have low regard for thistles.

Q: We recently moved to a new home and have inherited flower beds which are inundated with thistle. We have weeded these beds several times, but more thistle just pops up. How can we control this ...

Globe thistle’s pale purple to steel blue flowers, held high on stiff stems above coarse dark green foliage, are stealing the show this summer in gardens where they grow. Sea holly is a close second ...

One morning this month the county’s weed superintendent got a call from a golfer who said he'd spotted musk thistle, the noxious weed with the pinkish purple flower, near the sixth fairway at HiMark ...

It can be hard to see a thistle as anything other than a painful weed, and they are all being topped right now by farmers as part of the constant attempt to eradicate them from fields. The gardener ...

You need to check for new rosettes pushing up out of the soil every week and remove them promptly. They may be found emerging ...

SALT LAKE CITY -- As summer heats up, the sight of blooming thistles may give male goldfinches a testosterone kick. Thistle flowers could signal to American goldfinches that the seeds the songbirds ...

VAIL, Colorado – If there was a poster child for noxious weeds, thistles could do the job. They are easily noticed with big, pink flowers and sharp spines. They form dense colonies and can be found ...

SALT LAKE CITY — As summer heats up, the sight of blooming thistles may give male goldfinches a testosterone kick. Thistle flowers could signal to American goldfinches that the seeds the songbirds ...

Southern Spain’s landscape in high summer is perhaps best described as “crunchy.” Under the unrelenting sun, grass turns to brown straw, and almost everything green shrivels and dies—except for the ...