“Asters, Groundsels, and especially Thistles, afford most familiar examples of a hairy or downy pappus; those of thistles, &c. in autumn sailing about in every breeze.” — Asa Gray, “How Plants Grow,” ...

“Asters, Groundsels, and especially Thistles, afford most familiar examples of a hairy or downy pappus; those of thistles, &c. in autumn sailing about in every breeze.” --Asa Gray, “How Plants Grow”, ...

Thistles are a marvelous group of plants. Botanists place them all as members of the sunflower (or aster) family, which is a truly gargantuan group with over 20,000 species. The thistles are always ...

One morning in August Lancaster 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 ...

Thistle is an annoying, stubborn weed, but with these care tips, you can prevent it from making a home in your garden before ...