The best time to propagate dahlias by division is in the early spring once the buds have just started to develop.
To divide the tubers you will need sharp knife and some clean pots filled with a good quality potting compost.
The general method for dividing dahlia tubers is as follows:
Dahlias can also be propagated from cuttings.
Several varieties can also be successfully grown from seeds, that will flower in the same year.
Dahlias grown from both seeds and cuttings, will also form their own tubers (although smaller than those of established plants), which can be over wintered and used again next season.
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