A clump of sargassum weed the size of a soccer ball drifts near Bermuda in the slow swirl of the Sargasso Sea, part of the North Atlantic gyre. A weed mass this small may shelter thousands of ...

small-batch cultivators are often lost in the sea of green. That’s unfortunate because passionate small-scale growers are not only turning out some of the best weed in the legal market ...

IWAKI, Fukushima Prefecture—A weed described as “the worst alien species on the planet” has been discovered for the first time in the northeastern Tohoku region, alarming local farmers and ...