Arizona cypress can be strikingly blue.

If Hetz blue juniper grew as a tree, it might look something like Arizona cypress, Cupressus arizonica. The evergreen foliage of modern cultivars is almost as blue as blue spruce. Older trees that grew from seed (not cloned) can exhibit significant genetic variability, and are more grayish green than blue. Some are stout and shrubby. Taller specimens might exhibit sculpturally irregular form.

In the wild, Arizona cypress is even more variable, with as many as five distinct varieties. Some varieties are sometimes classified as separate species. Shorter types may get no taller than a two story house. Taller types get twice as tall, and as wide as thirty feet. Trunks can get two feet wide. Smooth Arizona cypress has patches of distinctively flaking bark over shiny chestnut brown bark.

Arizona cypress are best where they can develop their natural form. They prefer no more than minor pruning of awkward stems. Although, none seem to mind grooming to eliminate dead or aging stems. Modern cultivars are more conducive to minor pruning than older trees. Some cultivars supposedly make nicely dense shorn hedges. Furthermore, shearing enhances the blue foliar color.

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