Based on the characteristics of their leaves, trees in Calgary, Canada, can be grouped into coniferous trees and deciduous trees. Even if you’re not familiar with these terms, you’re probably familiar with the trees themselves. It’s important to know what kind of trees are on your property so that you can plan for seasonal landscaping needs and other tree care. Coniferous trees are the group that contains evergreens, softwoods, or needle-leaved trees. These types of trees will retain their leaves for two or more years. You probably have a few of these on or around your property. Pine and spruce trees are plentiful types of coniferous trees in Canada. Deciduous trees and shrubs are also known as broadleaf trees or shrubs. Deciduous trees are known as hardwoods. They include types like Aspen, Poplar, and Maple. All of the trees and shrubs in this group will drop their leaves in the autumn.