'Here at Raby, we pot up our dahlia tubers in early spring, starting them into growth in the frost-free environment of the ...

It’s important they stay dry, or they could rot over winter.’ When the last frost has passed, you can then plant your tubers once again. If you have grown dahlias in pots, you have two choices.

All you need to do is trick the dahlia tuber into making new shoots in late winter. These can be snipped ... deep, into a pot. Put cuttings in a propagator or put a clear plastic bag over the ...

Gardening magazine grew a range of popular varieties to see which would give us the best display. Dahlia tubers can be bought from late February and need to be started off in a greenhouse as they're ...