Spiraea vanhouttei 'Renaissance' Renaissance Spirea Description Blooms fragrant white flowers on old wood. Blue-green foliage emerges in the Spring followed by purple in Autumn.Bloom Period: Spring Growth Habit: Mounded and vase-shapeMature Height: 5' (150 cm)Mature Spread: 6' (180 cm)Growth Rate: Fast More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 4Can not tolerate wet soilAttracts ButterfliesLong bloomingPruning Tip: prune soon after flowering Landscape Uses: Hedge or garden accent