If arugula is a “cut and come again” type of plant, why can’t we just keep harvesting all year? While we can harvest many times from arugula, the older the plant gets the stronger the flavor becomes. Arugula also gets stronger in flavor when the temperature is hotter. This is why growing arugula in the summer is difficult, because the flavor becomes unacceptable to customers. Thus, we can harvest more times in the cooler months than we can in the summer, but there is still a finite end. We plan