With age comes wisdom, or in this case more wood. Behold, the mighty splendor of the adult oak tree.
”
–In-Game Item Description
How to Obtain
The Adult Oak Tree can be obtained by planting an Acorn on the Housing Plot and watering it. The seed will first grow into a sapling, followed by a young tree. The young tree will then grow into an adult tree after watering daily for (?) days.