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 ...

Parts of these invasive Eurasian plants are surprisingly edible. Thistles also provide crucial nectar for butterflies and nesting material for goldfinches.

I declare this the Year of the Thistle. This September, the country will have the opportunity to grasp it and set us off in an exciting new direction, so Scots gardeners should celebrate this by ...

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 ...

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 ...

In the mountains of southern Spain, one type of thistle plant seems to have built-in air conditioning. “Those are substantial coolings relative to the air next to it,” says Christopher Still, an ...

When we see a plant and it’s prickly, we automatically assume it is a thistle and therefore it is a bad plant. The Oxford Dictionary defines a thistle as “A widely distributed herbaceous plant of the ...

They are topping the meadow the other side of our boundary hedge. The tractor is cutting the thistles with regular sweeps, slowly accruing the field. This, as surely as any calendar, is one of the ...

Ouse Fen, Cambridgeshire It was as if someone had burst a thousand pillows along the bank There are specks in the sky over every field and garden, silver-spoked seeds of thistledown, the snowflakes of ...