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 ...

The Mexican petunia or Ruellia simplex is a shrub boasting a profusion of Petunia-like, vibrant lavender blue flowers, two inches across, from summer to fall. Born solitary or in clusters at the tips ...

Gardeners looking for a showy summer ornamental with floriferous displays of blossoms and can take our Texas heat while growing in full sun might consider Mexican petunia, Ruellia brittoniana ...

A woman tending to her garden in the summer heat - Kathrin Ziegler/Getty Images Worried that it's too hot or too late in the season to plant flowers in your garden? Spoiler alert: It's not. There are ...

Q. This is our first year for three Mexican petunias, and they appear to have done well. Now that fall/winter is here, we don’t know what to do with them. Are you supposed to cut them back and let ...

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 ...

Machu Morado is one of the most intriguing new plants in both name and performance. In reality, it is a dream come true, but I’ll explain. First it is a Mexican petunia or Ruellia, the gregarious ...

Question: I have a Mexican petunia (Ruellia) that is about 4 years old. In 2013 the freeze caused all of the stems to die back. I cut them all off at ground level and the plant grew back nicely and ...

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 ...

Q: Could you tell me how to kill the roots of Mexican petunias? They are so pretty, but they have taken over my yard. Joanne Geller, Richmond A: I agree Mexican petunias (Ruellia brittoniana/Ruellia ...

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

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.