Evergreen Tree With Fast-Growth Looking to add some lush greenery to your landscape? Look no further than these four fastest-growing evergreen trees . The green giant arborvitae boasts dense foliage that can reach heights of up to 50 feet in just a few years. For a more classical look, the English laurel offers glossy, dark-green leaves that give off a sweet fragrance. For those looking for a tree that can withstand drought and harsh weather conditions, the Western Red Cedar fits the bill. And finally, the beautiful blue-gray foliage of the Lawson Cypress makes for a striking accent in any garden. Whether you're looking to add privacy, shade, or just some beauty to your property, these fast-growing evergreen trees won't disappoint.