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Gerald L. Klingaman
Cupressaceae
Thuja occidentalis
Eastern Arborvitae, White Cedar
It is likely that no native American evergreen is more prevalent in the North American landscape. Arborvitae is a hardy pyramidal coniferous tree usually cultivated in one of its many shrubby forms. This native of eastern North America has flattened feathery sprays of soft, scale-like, medium to dark green foliage that may turn shades of green and brown in winter. The leaves emit a pungent odor when bruised. Its dense branches often curve upwards, giving mature trees a soft, attractive look. The small tan female cones are not ornamentally significant. Cultivars of many shapes, sizes, and leaf color are available, including the compact rounded 'Globosa' and the conical gold-leaved 'Rheingold'.
Arborvitae performs best in full to part sun and acidic to neutral soil with average drainage. It appreciates some protection from winter sun and wind, which can cause leaf scorch. It may also need protection from heavy snow and browsing deer. Extremely cold-hardy and highly versatile, arborvitae is an excellent choice for screens, hedges or foundation plantings.
7 - 1
3 - 7
A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 15, 16, 17, 21, 22, 23, 24
Needled or Scaled Evergreen
Full Sun, Partial Sun
3'-60' / 0.9m - 18.3m
3'-25' / 0.9m - 7.6m
Spring
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada
Acidic, Neutral
Average
Loam, Sand
Pollution, Soil Compaction
Medium
Average Water
Pyramidal
Spring, Summer, Fall, Winter
None
Brown
Green, Dark Green
Green, Dark Green, Brown
Brown, Sienna
No
Yes
Matte
Exfoliating
Feature Plant, Foundation, Hedges, Mixed Border, Screening / Wind Break
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