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.

Petunias are one of the easiest flowers to grow for season-long color. They’re versatile annuals, available in a variety of colors ranging from pure white to hot pink and everything in between ...