The Nigra Arborvitae Grows well in Allentown Pa.
Like our farm, Highland Hill Farm, Allentown Pa. is located in
an eara with lots of clay. We therefore like plants that grow
well in clay. Arborvitae, in particular the Nigra Arborvitae is
one of our favorites. Here is why. The hardiness zone for the
Nigra Arborvitae is from zones 5 to 8. Its evergreen with rapid
growth rates that in ideal conditions can be up to 1.5 feet per
year. Site requirements for the Nigra Arborvitae is sun to
partial shade, moist well drained soil but does well in clay,
and needs protection from wind . Its texture is fine with its
form conical being narrow to broadly pyramidal, reaching from 30
to 40' in height to 6 to 12 feet in width. The leaf is green
graceful foliage. It keeps its foliage color in the winter but
can tend to bronze alittle in the winter. The Nigra Arborvitae
flowers/fruit are .5" erect female cones. The Nigra Arborvitae
has strong wood, casts dense shade, and has red bark when young.
Arborvitae do not tolerate salt spray. These arborvitae should
outlive even your children.