Cedar Tree Leaves
As a famous member of the cypress family, the cedar trees have special needle-like leaves which are similar to pine trees. They are very important factors to identify the variety and species of an individual tree. Also, their leaves provide a simple way for ordinate gardeners to decide which fertilizer and pesticide they should choose from the local nurseries for these trees.
Generally, different cedar trees have different type of leaves. Port Orford Cedar trees are famous for their green branches which resemble to a frond plants and offer excellent ornamental values for gardens and yards. These leaflets look like the scales of a snake which concatenate with each other to form a long branch. Alaska yellow cedar also have a similar long leaves which are formed by a number of leaflets. These leaflets are bit or rough compared with the smooth case of Port Orford Cedar trees. The rough edge of these leaflets are useful to identify the tree species and use corresponding fertilizers etc.
The northern white cedar is often planted in the northern cold areas around the coastline areas. Different from other cedar trees, their leaves have a flat shape instead of a need-like one. Generally young leaves have a green color which will turn brown when fully grown. Another cedar species, western red cedar trees, have needle-like foliage forming a fan shape. Their leaves can emit a special fragrance which is distinct from other cedar trees.
Image provided by Paul Gillett [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons