Castor Aralia is a deciduous tree and planted for the beautiful foliage. Castor Aralia blooms white flowers in summer even though when I took this photo, this tree didn’t have flower yet. Castor Aralia grows 18m (60 feet) height and 12m (40 feet) width in full sun area and are relatively easy to grow. Castor Aralia attracts bees butterflies and birds well. This tree is native to China and Japan.