All three have flowers very similar to dandelions, so you might think they are just dandies with long, long stems. Like ...

Among the most attractive in the garden are the eryngoes - or Eryngium.Eryngoes, also called sea hollies, are perennial ...

The botanical name for the national floral emblem of Scotland, the thistle, is Onopordum acanthium, and as we all know, thistle plants have sharp prickles. The sharp protrusions can be anywhere on ...

Milk thistle (Silybum marianum) can be a pain if it's growing in your yard.It's non-native and can be an invasive plant, as Keri Wilson, horticulturist and writer for Garden Media Group, points out, ...

A Monarch butterfly feeds on a native tall thistle. Tall thistles, with silvery leaves, flower in August and September and are a good thistle.

Thistle, especially Canada thistle, is a persistent weed that you'll need patience to control since you'll have to outlast its extensive root system.

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 ...

Q. I have Canada thistle growing in two of my flower beds, and I’m concerned about it spreading throughout my garden. I think I brought the seeds in on some manure I had delivered last spring… ...

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 ...