
FAQ - About Dahlias
When should I plant dahlia tubers?
When should I plant dahlia tubers?
Dahlia tubers should be planted in spring, after the last frost has passed. In most climates, this is between April and May. Make sure the soil has warmed up before planting.
Are dahlias winter hardy?
Are dahlias winter hardy?
No, dahlias are not winter hardy. In colder climates, the tubers need to be lifted from the ground in autumn and stored in a cool, dry, frost-free place until the following spring.
Do I need to deadhead dahlias?
Do I need to deadhead dahlias?
Yes, removing spent flowers encourages the plant to produce more blooms and keeps it looking tidy throughout the season.
How often should I water dahlias?
How often should I water dahlias?
Water dahlias regularly, especially during dry periods. Keep the soil evenly moist but not waterlogged. Once established, dahlias are fairly resilient but perform best with consistent watering.
About the Founder
My name is Wessel van Gerven, founder of Gerven Bulbs. Inspired by my family’s history in flower bulbs, I started this webshop for true garden enthusiasts. At Gerven Bulbs, I carefully select authentic, high-quality flower bulbs you can rely on — so what you see is exactly what grows.

