(1 Gallon) Snow Queen Oakleaf HYDRANGEA, Native Plant, Huge Oak-Like Leaf, Grand White Cone Panicles. Snow Queen Oakleaf HYDRANGEA SHRUB- Plant shipped in 1 gallon pot-10-18" tall Mature size is 4-6' height and 3-4' width Hardy in zones 5-9 Oak like large leaves, showy white panicle shaped blooms from May to july