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 ...

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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 ...

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 ...

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.

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 ...

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 ...

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.