Meet Prunus serrulata ‘Kwanzan’. The Kwanzan Ornamental Cherry Tree! This spring-blooming zone 5 cherry is fruitless. It has appealing double-pink blooms and seasonal color variations in the foliage. The foliage emerges as bronze, changing to green, and fall shades are reddish-copper-yellow. This tree does best in full sun and grows to 20′ tall and wide.