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 ...

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 ...

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.

Machu Morado is one of the most intriguing new plants in both name and performance. In reality, it is a dream come true. First it is a Mexican petunia or ruellia, the gregarious “Uncle Buck” of the ...