This grower is sure of this plant identification.
1 year sapling
Red oak, Northern red oak, Oak
Quercus rubra (Red oak). This is a deciduous tree which reaches around 30m producing shiny grey bark. The leaves are dark green and pointed with lobes. The young spring and autumn leaves are red. They will need fertile soil with plenty of water. Native to eastern USA and Canada.
They will thrive in deep, damp, well-drained soil. Some of the species like full sun, while others prefer partial-shade.