EUSTIS, Fla. — It’s a 21 st-century greenhouse, for an ancient crop. For Glenn Treadwell, of Treadwell Farms, that crop is hemp. “I just like the idea that we can do it all year long,” he said. “It's ...

Forget the stereotypical images of macramé plant hangers and 1970s barefoot hippies. Hemp has come solidly into the 21st century with surprising range, versatility and renewed popularity. One of the ...