Differences Between Sapwood and Heartwood

       Sapwood                                                Heartwood
1.It is the living element of           1.It is the dead element of tree.
tree.
2.It is comparatively weak.           2.It is comparatively strong.
3.It is more in young trees.          3.It is more in old trees.
4.Contains higher moisture.        4.Contains less moisture.
5.Lighter in color                         5.Darker in color.
6.Has weaker cell wall.                6.Has weaker cell wall.
7.Attracts fungus and insects      7.Does not attract fungus and insects.