These pretty, purple perennials are resilient and cold-hardy.

Nature may have a few things to teach tennis players about backspin. Glue that holds the flower’s podlike fruit together breaks down on contact with water, allowing the fruit to split explosively, ...

Tree collards are a perennial, continuing to grow and produce year after year, but they’re only winter-hardy to about 20 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s easy to see why petunias are among the most popular flowers for home gardeners: They are abundant, ...

Multi-colored petunias planted in the ground, spilling out of a pot turned on its side - Charinporn Thayot/Getty Images Petunias are a favorite of gardeners for their versatility. They come in a wide ...

Question. I am trying to avoid the increased cost of small pots of petunias and would like to grow them from seed, but the seeds are so small. What should I do? Answer. All garden center plants have ...

Keith Wood, Ph.D. spent most of his career in pharmaceutical research in molecular and chemical biology, using his work with bioluminescence to understand how molecules interacted with diseases. His ...

While new flowering species are introduced on a fairly regular basis, very few have supplanted longtime garden favorites such as geraniums and petunias, says University of Missouri Extension ...