The show at Speedwell Projects in Portland features multimedia works by four artists. Any farmer or gardener will tell you, witchgrass is the most pernicious of weeds. Each season, its panicle ...

Last week, the U.S. Department of Agriculture announced something promising: a synthetic weed killer, isopropyl-N-phenyl carbamate (IPC), which does away with at least one kind of grass without ...

October and November is the season of the witchgrass. An appropriate name since Halloween has just passed. It is a low-growing grass and when mature, the seedheads break off and ...