|Building Cost|| 0 8|
The Tree, the very first decoration, can be built in the Stone Age, which provides 18 Happiness at a cost of only 8 Supplies. You are started off with three Tree in the game. Like with all other decorations the Tree does not need to be connected to a road.
+18 per tile.
Your decoration can be polished to double the happiness provided to +36 for 12 hours.