dahlia tubers

Pre-Sprouting Dahlias in Milk Cartons: The Perlite Hack | Forum Q&A

🍅 Quick take: First-time dahlia grower Yuliya (Yuliya Orenburg) and experienced hobbyist Vladimir Andreevich share an ingenious upcycling shortcut for starting dahlia tubers early: pre-sprouting tuber divisions in 1-pint milk cartons filled with pure moist perlite. Starting tubers in confined cartons prevents waterlogged rot and trains the autumn root clump into a tight, compact shape … Read more

Overwintering Dahlias: From Saran Wrap to the “Dirt Clump” Method

🌺 Editor’s Note: Dahlias are the crown jewels of the late-summer garden, but overwintering their delicate tubers in harsh, freezing climates is a true test of a gardener’s skill. In this article, our growers share their battle-tested methods for keeping dahlia tubers plump and healthy until spring — along with a spirited debate in the … Read more