This is Magnolia hypoleuca, also known as Japanese Bigleaf Magnolia, and Whitebark Magnolia. Growing up to 50 feet tall this tree likes to live in full sun to full shade. From the middle of Summer to early Fall this tree has yellow, cream, and tan blossoms. The young leaves and flower buds can be boiled and eaten as vegetables. USDA Hardiness Zones 5 to 9