Tree's - Knowledgebase Question

Philadelphia, PA
Question by j81nm
April 13, 2000
hi, i have 2 pyramidal arborvitae tree's (thuja occidentalis 'pyramidalis')in my yard they are about 2 feet tall now and according to the tag that was on the tree it grows to about 35 feet tall and 30 feet wide . i really do not know too much about this tree i did read thought they sometimes get damaged in storms , can u tell me how many inches or feet they grow each year , do they grow fast ?
i planted them last year .so my main question is how fast do they grow . and any other information you can give me on these tree's will be very helpful

Answer from NGA
April 13, 2000


Thuja occidentalis or the American Arborvitae is a slow to medium growing tree that does well in a sunny location in good soil. The species would be expected to grow in a naturally pyramidal form but taller and much narrower than listed on your label. The name "Pyramidalis" seems to be used interchangeably for a number of different varieties of this tree, so it might be wise to rely on the label inforamtion about the mature size. Storm damage might occur (such as heavy snow breaking a branch) but the trees themselves are very hardy and are occasionally used in windbreaks. All in all, you might expect it to grow at most a foot a year.

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