A: Tree dahlia, Dahlia imperialis, is a dahlia species native to southern Mexico and Guatemala that grows 12 to 20 feet tall. Its pink, lavender or white flowers provide welcome garden color in late ...

There’s a lot that I’m thankful for, including a couple fall-season bloomers in my garden. I have recently mentioned these two plants, which are natives of Mexico, but they are blooming right now and ...

Lavender flower petals along with red, orange and brown autumn leaves litter the lawn at Mac Houfek’s home in Virginia Beach. The petals are falling from a flower whose blossoms grow on a stalk so ...

A: Dahlias are native to Central America and are not hardy in cold winters. Where winter temperatures drop below 20 F, gardeners have to dig up the tuberous roots of common dahlias and store them ...

Today’s photo gallery features images related to the column’s main topic. The images have been provided by the Monterey Bay Dahlia Society, and most (if not all) were created by MBDS member Brion ...

Gardeners in Tasmania who live in relatively frost-free areas in late autumn, are lucky enough to grow the giant, flamboyant, tropical-like Dahlia imperialis, commonly known as the tree dahlia.

DAHLIA aficionado Pat Cunningham likes to say he has either 40 years of experience or one year of experience 40 times over. Either way, he has grown hundreds of varieties of the flower in his ...

Kathy Huber has worked for the Houston Chronicle since May 1981. She was Features Copy Desk chief before becoming the first full-time garden editor for the paper in 1988. She writes a weekly garden ...

DAHLIA aficionado Pat Cunningham likes to say he has either 40 years of experience or one year of experience 40 times over. Either way, he has grown hundreds of varieties of the flower in his ...