Oakleaf hydrangea is an upright, multi-stemmed, deciduous shrub that is native in the Southeastern U.S. (USDA hardiness zones 5-9). Oakleaf hydrangea should be planted in a sheltered location and winter protection (e.g., mulch, burlap wrap) in northerly areas USDA Zone 5, particularly when not fully established. Oakleaf grows in moist, fertile, well-drained soil in sun […]