1. Thuja Occidentalis American arbovitae Habit & Size  Has a conical, dense & compact habit.  Grows to be 30-50 feet tall & 10-15 feet wide.  Has a slow to medium growth rate.  Hardiness Zone 3-7

2. Thuja Occidentalis American arbovitae Leaf Arrangement  Small & scale-like (2mm long) foliage that overlap forming flattened, rope- like shoots that are bright green above & pale green on the underside.

3. Thuja Occidentalis American arbovitae Flowers & Fruits  Monoecious & inconspicuous  Small cones with thin overlapping scales that are brown to tan in color & are less than an inch wide

4. Thuja Occidentalis American arbovitae Bark  Grey on the surface & reddish brown in the narrow furrows Sources: http://oregonstate.edu/dept/ldplants/thoc.htm http://www.hort.uconn.edu/Plants/t/thuocc/thuocc 1.html