"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Looking to add some zing to your plot? Mustard is a triple threat: Grow it for its zippy leaves, vibrant ...

Looking to add some zing to your plot? Mustard is a triple threat: Grow it for its zippy leaves, vibrant flowers, or pungent seeds. From fiery condiments to mellow greens—this cool-weather crop does ...