Winter solstice will be here tomorrow. If you have not given your bees their final OAV treatment for 2019, this next week is the time to do it, while they are still broodless. Even though our coldest weather is yet to come, it won't be long before the queens start laying and the opportunity to treat while broodless will have passed. It is also time to think about providing pollen sub. Feeding early helps assure a large foraging force when the flow starts, BUT, be prepared to provide agressive swarm managment. A hive bursting with bees at the begininig of April is a swarm waiting to happen, but is also necessary to take advantage of a short flow.