May is often the month when the season begins to accelerate in the apiary. Colonies that were building steadily in April can suddenly feel much stronger. Brood expands, bees begin filling frames more quickly, drones are present, and the first signs of swarm season may begin to appear. This is the time to watch growth closely. Swarm season begins In many areas, May is when swarm season starts. A strong colony in spring can grow quickly, especially when forage is coming in and