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 problems continue on many of our annuals and perennials; this has been a challenging growing season, to say the least. In the past few weeks I have written about beetles eating holes in the ...

I’ve always had petunias in my flower beds, and they’ve always looked beautiful, but last year I noticed they weren’t quite as nice, and this year some of the petunias died. Is there a spray or ...

Petunias are one of the easiest flowers to grow for season-long color. They’re versatile annuals, available in a variety of colors ranging from pure white to hot pink and everything in between ...

Are your petunia flowers dead and you don’t know why? Although petunias are prolific bloomers that can flower from spring through fall, they benefit from frequent deadheading and may not bloom as ...

Learning how to deadhead petunias is essential to keeping most varieties in full flower for as long as possible. Deadheading just means removing spent flowers. Don't worry—it's a snap. This guide ...

Research into new pharmaceuticals has produced an unanticipated by-product: Petunias that glow in the dark Watch your garden glow with new genetically modified bioluminescent petunias Keith Wood, Ph.D ...

Q: Do you know why some of my petunias look very scraggly without much foliage compared to others that have beautiful large green leaves? — Nicole W. A: Petunias might not be as full and large-leaved ...

Keep petunias blooming all summer long with this simple pruning technique. Petunias have long captured gardeners’ hearts with their stunning colors and bold blooms. Get the most out of these beloved ...

Nikolai Braun, co-founder and chief scientific officer of a new biotech company, Revolution Bioengineering, is spending the summer in Ireland to work on color-changing petunias. Revolution ...