Flowering is one of the most influential stages in a grapevine’s annual cycle—yet it’s often the most overlooked when it comes to nutrition. For growers aiming to improve fruit set, reduce variability, and set the vine up for a balanced season, what happens nutritionally in the few weeks around bloom can determine the success of the entire vintage. Here’s why nutrition at flowering matters, what can go wrong, and how foliar sprays between flowering and veraison provide a reli