Philadelphus x virginalis 'Minnesota Snowflake' Minnesota Snowflake Mockorange Description Blooms fragrant double white flowers. Dark green foliage.Bloom Period: Late Spring into the Summer.Growth Habit: Upright and vase-shaped.Mature Height: 6' to 8' (180cm to 240cm)Mature Spread: 4' to 5' (120cm to 150cm)Growth Rate: Fast More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 3Cut flowerLandscape Uses: Foundation planting, screen-privacy and garden accent