Accidentally cutting a hyacinth bulb in half.
When digging up bulbs, I accidentally cut a bulb in half. Will the bulb root or die?
In rare cases, the bulb can survive. Unfortunately, in most cases... the bulb will die soon.
Here is an article for more information on this plant: https://www.gardeningknowhow.com/ornamental/bulbs/hyacinth/planting-and-care-of-hyacinths.htm