50 LILY OF THE VALLEY TREE Sourwood Sorrel Oxydendrum Arboreum Flower Seeds BLOOMS: All Summer HARDINESS ZONE: 5 - 9 PLANT HEIGHT: 20 - 30 . . . PLANT SPACING: 20 - 30 LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average The Lily of the Valley tree is fantastic because it truly blooms all summer long. It has fragrant flowers which bees adore, and birds and butterflies also enjoy the sweet blossoms. This is a fast growing tree, especially when it is placed in a sunny location. It has bright scarlet, yellow, crimson, and nearly purple foliage in the fall which is also enhanced with a sunny location. The nectar is also used to make sourwood honey which is not as sweet as regular honey but has a wonderful nutty flavor.