Everybody loves dahlias — in the garden, in a vase, or as a gift to a friend. But as Dr. Allan Armitage reminds us, these showstoppers aren’t always the easiest plants to please. In this colorful episode, Dr. A dives into the world of dahlias: how to start them from tubers, the best ways to get an early bloom, and what to do when winter rolls around.

From the big, bold “show dahlias” that knock your socks off to the compact pot varieties brightening up garden centers, you’ll discover which types work best in your climate and how to keep them thriving year after year.