Although hardy Mexican petunias can survive drought, they grow best with regular watering. If there is no rainfall, watering once a week is usually sufficient for them to flourish. O’Neill adds, ...

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 ...

Invasive plants in Florida gardens contribute to the spread of non-native species in natural areas. Sterile versions of invasive plants like lantana and Mexican petunia are available, but not widely ...

Since there was no newsletter last week, here are two weeks of mystery plants: Mexican Petunia --Ruellia simplex is a perennial plant that takes care of itself and blooms all summer long.

Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at dgill@agcenter.lsu.edu. I’m having an odd problem with my Mexican petunia plants. Nothing seems to ...

Mexican petunias are lovely but invasive and you may need a broadleafed weedkiller (containing 2,4-D) to kill a certain portion of them or rototill deeply and rake out as much of the root system as ...

Since there was no newsletter last week, here are two weeks of mystery plants: Mexican Petunia --Ruellia simplex is a perennial plant that takes care of itself and blooms all summer long.