There are various plants which you can choose instead of planting Leyland Cypress because of its extremely fast growth rate, up to 4’ per year, even in poor soils. Some of the famous Leyland Cypress alternatives are:

Green Giant Arborvitae

It is essentially disease-free, with moderate drought resistance and excellent tolerance to heat and humidity. It is hardy in zones 5-9.

Western Red Cedar

It is a nice, upright growth habit. It can either be tightly pruned for a formal look or causally pruned for more relaxed garden styles. It is hardy in USDA zones 5-9

American Arborvitae

It has moderate drought resistance extremely cold-hardy Leyland Cypress alternative, growing in USDA zones 2-8.