"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s easy to see why petunias are among the most popular flowers for home gardeners: They are abundant, ...

Multi-colored petunias planted in the ground, spilling out of a pot turned on its side - Charinporn Thayot/Getty Images Petunias are a favorite of gardeners for their versatility. They come in a wide ...

Lightning bugs are not the only thing glowing in Iowa gardens this summer. Firefly petunias were sold at select flower nurseries around Iowa, with some locations selling out of the glowing flowers. At ...