"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, ...

Blooming purple and white petunias grow in the garden. - Just dance/Shutterstock Why buy new petunias (Petunia x hybrida) every spring when you can turn one plant into many? The secret is cuttings.