Give your hydrangeas the right care now, and they’ll reward you for summers to come.Credit: Fred R Palmer/Getty ImageKey TakeawaysHydrangeas can take three or four years to fully bloom, so prioritize strong roots with rich, well-draining soil and seasonal feeding.Water deeply at the base and give each variety the right light, from full sun to afternoon shade.Plant or move hydrangeas in fall, and prune carefully to avoid cutting off next year’s f…