Cityline Paris hydrangea has a tight, compact habit that requires minimal upkeep in the landscape. Cityline Paris has vivid red flowers and does not require pruning because of its compact habit. The optimum amount of sun for these plants is 6+ hours, but they can tolerate partial shade of 4-6 hours and up to 4 hours of full shade. Mature size of Cityline Paris is 12-24" tall with a 12"-36" spread. Hardy to zones 5-9.