* Trees infected by [[mycelium]] do not produce fruit.
* Sprout quality does not determine tree quality.
* Trees spread if a sprout is left on them when they advance to the next growth stage.
* Order in tree height (at very old stage) is as follows: Cedar, Pine, Maple, Chestnut, Oak, Linden, Birch, Fir, Walnut, Willow, Olive, Apple, Cherry, Lemon