The Nigra Arborvitae Grows Well In Horsham
Like our farm, Highland Hill Farm, Horsham 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.