Speeding up Dahlias and Calla lilies

I’ve bought dry tubers of each of these at a Metro grocery store. They’re packed in sealed, clear plastic bags, the calla lily tubers in what looks like sawdust, and the dahlia tubers bare. Is there anything I can do…

Dahlias

Where can I buy good quality dahlia tubers close to Toronto. Are there nurseries that you could recommend? I plan to start them indoors, and wondering when would be a good time to start them. Thank you…

Starting Dahlia Bulbs Indoor in Spring

I read that you should plant Dahlia bulbs until outside temperature reaches around 60F or about 16 Celsius. Can I get a head start by planting them in container indoor and next to the window?…

How to Prune Dahlias

Where should I cut my Dahlia flower to encourage new buds? There are 2 smaller side buds next to the main flower?