Acer macrophyllum: Oregon Maple, Big Leaf Maple Seeds Packet contains 25 hand-sorted, high-quality seeds. Deep lustrous green in summer, yellow and orange in fall. Native to western North America. Also known as Canyon Maple. Oregon Maple prefers full sun or light, dappled shade. Likes fertile, moisture-retentive soil. These seeds are not pre-packaged - they are hand-selected after you place your order.