To have hyacinths grow and flower indoors in pots (also known as: to force a bulb) you have to get special bulbs: they are called prepared or treated. I was not able to find out with a simple internet search what this special treatment is?
In my novice mind I would guess it has something to do with freezing or coldness?
Can someone enlighten me? Is it possible to do this "treatment" at home? For example to bulbs from the garden?