Growing Dahlias In Pots Indoors. Growing dahlias in containers saves some of this work as you can grow them indoors or bring the containers in before the weather turns. Or you can give tubers a head start indoors.
Drainage is very important when growing dahlias in pots because you dont want the tuber to rot. I planted the tubers in the pots 3 years ago and though theres no sign of them yet they have performed well over the previous 2 years. They need 3 weeks to become healthy seedlings from a tuber.
The dahlias should have light from above to keep them from bending towards the light of a window and to grow compactly.
Sarah shows you her favourite dahlia varieties for pots and gives you some tips on how to grow them successfullyVarieties mentionedDahlia Hot Cakes - ht. Keep them in a frost free place inside a garage or a shed is perfectly fine. I planted the tubers in the pots 3 years ago and though theres no sign of them yet they have performed well over the previous 2 years. Cheaper and more fun than buying flowers.