Growing to 50 feet tall, “October Glory” maple (Acer rubrum “October Glory”) has a curved, oval canopy. “October Glory” maple’s leaves grow 2 to 5 inches long and 3 to 6 inches across. The tree grows in U.S. Department of Agriculture plant hardiness zones 4 through 9.
The recently emerging leaves of “October Glory” maple are red and turn a medium to dark green on the tops and grayish-green over the undersides as they mature. The leaves have serrated edges, are made from three to five triangular lobes, and grow opposite each other along the branches.
“October Glory” maple’s leaves remain green longer to fall compared to those of other maples. When they do change, in some cases not until after the first frost, the leaves vary in color from yellow and orange to crimson.