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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

I have mentioned Mexican petunia for various reasons a number of times throughout the years. Not a petunia or even in the same family as petunias, Ruellia is a native of Mexico. It is a genus of about ...

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 ...

Q: What is this plant with the purple flowers? It has invaded my flowerbed. More importantly, how can I get rid of it? It’s spreading like crazy. A: It’s Mexican petunia, Ruellia brittoniana. You’re ...

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 ...

The story you are about to read is true. Only the names have been changed to protect the innocent. It was a spring morning several years ago just like this morning when I received the call. I thought ...