“Cedar” is a common name of a few species of a few genera that are not actually cedars. Western red cedar is an arborvitae. Eastern red cedar is a juniper. Deodar cedar, Cedrus deodara, happens to be one of only three real cedars. Atlas cedar and cedar of Lebanon are the other two. Cultivars of Atlas cedar are uncommon. Cedar of Lebanon is very rare.
Although too big for compact gardens, deodar cedar is one of the more popular conifers. It performs splendidly within local climates and soils, as if it is right at home. Mature trees can survive without irrigation. Roots are generally complaisant, and disperse too deeply to displace pavement. However, deodar cedar can grow fifty feet tall and thirty feet wide.
Deodar cedar mostly develop casually conical form. Some develop multiple trunks or big limbs that eventually curve upward like trunks. Otherwise, limbs tend to droop somewhat at their tips. Glaucous grayish needle leaves are about an inch or two long. Most occur in terminal clusters of short spur stems. Some develop singly on elongated vigorous stems. Foliar debris has an herbicidal effect on the ground below.
Tony Tomeo 
Fabulous tree, if only one had the space. I planted a Cedar of Lebanon in a previous, very large garden 30 years ago. It is looking good now but in another 70 years it will be spectacular. These are the sort of trees you plant for future generations. I like to think that when I am long gone, I will have left my mark on the landscape.
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Cedar of Lebanon is so rare here that I have never seen one that I am aware of. I can not imagine why. I suspect that some of the old cedars that I assumed to be deodar cedars may actually be cedar of Lebanon.
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We have eastern cedar here in Texas, but most of what’s called cedar that I come across is Ashe juniper (Juniperus ashei).
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Eastern red cedar is one that I had wanted to grow for a long time, but now that I got them, I have no idea what to do with them. They look like little cypress trees. They are from Cleveland County in Oklahoma, just south of Oklahoma County.
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