That's right — there's a right way and a wrong way to water freshly potted dahlia tubers, and there's a good chance that a ...
If you live in a hot, dry climate, you may need to water more than once per week. Dahlia tubers do not have roots initially, ...
All you need to do is trick the dahlia tuber into making new shoots in late winter. These can be snipped off and are so vigorous that they'll root in compost within seven to eight days.