These pretty, purple perennials are resilient and cold-hardy. Mexican petunias are fast-growing plants native to warm parts of South America and Mexico, but they can tolerate cool temperatures in ...

Petunias are one of the most popular annual plants. They are easy to grow but they do require periodic maintenance to look their best and to lengthen their bloom time. Keep petunias tidy by simply ...

Q: We have Mexican petunias, and all have suffered frost damage. How far should we prune them back? A: Contain Mexican petunia in a localized area, so it doesn’t spread. Cut it back close to the ...

Q Two Mexican petunia plants have grown quite large in my landscape. When can I cut them back, and how far? A Possibly by now the cold has done some of the pruning for you. These plants don’t mind a ...

These pretty, purple perennials are resilient and cold-hardy. Somnuk Krobkum/Getty Images Despite their name, Mexican petunias are actually not petunias. Although they resemble petunias with their ...