Deciduous shrubs and trees lose their leaves for part of the year, usually in the fall, followed by a dormant period in which biological processes rest except for limited root growth. Prior to leaf drop, many species of trees and shrubs exhibit fall colour.
Some examples of deciduous shrubs include viburnum, hydrangea and forsythia.
Evergreen shrubs and trees hold their leaves or needles through the year. They do not lose more or less continuously, although not noticeably. In temperate climates, evergreen grows at a slower rate and photosynthesis at a slower pace during winter than summer.
Most of the coniferes- pines, source, hemlock, and fir- are evergreen, although two conifer species- larch and bald cypress are deciduous.
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