The evergreen trees are those which remain green through out the year. This is because

The evergreen trees are those which remain green through out the year. This is because their leaves fall in small numbers at intervals. Deciduous trees are those that lose their leaves each fall and enter a stage of dormancy for the winter or summer or rainy months. The leaves that fell in the autumn or spring chill grow a new in the other season on deciduous trees looks like dead wood, repeating this cycle of rebirth and death for the lifespan of the tree.