Their vibrant hues range from the deepest purples to the most delicate lavenders, dotting green expanses ... significance.

invasive weed you should be wary of since it's prevalent across all U.S. states. Its giveaways include the 2-inch wide, gumdrop-resembling purple flowerheads, standing atop spiny green bracts ...

Learn about the connection between uncontrolled winter annual weeds and soybean cyst nematode and how to control these costly ...

Spring sprang in all her splendor, triggering a purple sea to inundate yards, city park acres, roadside ditches, farm fields, ...

Environmental groups and the cattle industry are at odds over a nomination to make the long, lush, green-stemmed plant with the purple flower a weed of national significance (WONS). A ruling could ...