I want to plant some trees along my fence line to provide some privacy from the neighbors. Are arborvitae trees a good choice?
Weld County Colorado
Arborvitaes may be OK, but they often "winterburn" after a dry windy warm winter with low humidity. Arborvitaes are native to areas with much more winter humidity.
If your planting site is more protected from winter winds, arborvitae may work OK, but do give them water during warm dry spells in winter.
Assuming you want evergreen screening, you might also consider upright junipers; these can have some problems with heavy snow loads.
There are some spruce varieties that grow in narrow tall form that could make good screening.
See also: http://www.ext.colostate.edu/pubs/garden/07403.html and