Digging up and overwintering your dahlias is an excellent, forward-thinking fall task. These beautiful flowers are only winter hardy in zones 7 to 10, but that doesn't mean you need to let them die ...

Preparing dahlias for winter is key because their tubers can split or rot in freezing or soggy soil. Martha now protects her dahlias outdoors by covering the beds with compost, a tarp, and insulating ...

Knowing when to cut back dahlias in winter can feel confusing, especially when advice varies wildly by climate and frost timing. These late-blooming stunners often put on a show into November, meaning ...