When you want show-stopping plants with big flowers, nothing beats dinner plate dahlias. These tall, colorful, long-blooming plants feature flower heads that can grow to more than 12 inches wide.

Deborah Stone of Stone Hollow Farmstead reveals her secrets to growing and caring for dahlias—plus, the one mistake beginners ...

You probably don’t need us to tell you how stunning dahlias are. After all, one look at these giant, flamboyant flowers will prove as much. But when these blooms start to fade, you might start ...