The Leyland cypress is the fastest growing cypress for a quick screen. A bare property line can turn into a solid green wall in just a few seasons. That is exactly why this tree sells so heavily at garden centers each spring.
Leyland sits at the top of most lists of fast growing privacy trees, and the reason is simple. On a good site it adds roughly 2 to 4 feet (0.6 to 1.2 m) of height every year while it is young. No other common cypress keeps that pace. A row of small starter plants can block a neighbor's view of your yard in just three or four growing seasons. For many people that speed alone seals the deal.
Speed varies a lot across the cypress family, though. Arizona cypress runs a close second. It shoots up fast in dry, sunny spots and handles heat with ease. Bald cypress takes a more moderate pace and settles in over many years. Italian cypress, the tall skinny one you see in coastal photos, also grows at a moderate clip. It climbs slowly but reaches a striking height in time. So the right pick depends on whether you want a wall this decade or a slow, lasting tree.
Soil and sun shift these numbers too. A Leyland in rich, damp ground with full sun can hit the high end of its range. The same tree in poor, dry soil slows down and may add closer to a foot a year. Good drainage matters most, since soggy roots stall growth and invite rot. Pick a sunny, well drained spot and you give any cypress its best shot at fast, steady gain.
Age plays a part as well. A young Leyland pushes hard for its first ten or fifteen years, then the climb slows as the tree fills out. So that 2 to 4 feet figure is a young tree number, not a forever number. The early sprint is what makes Leyland feel so fast, and it is also why people misjudge how big the tree gets later. Plan for the size at year twenty, not the size in the pot.
Here is how the main types stack up so you can match the tree to your space.
That fast Leyland cypress growth rate comes with a real catch. Most people plant these trees far too close together because the young plants look so small and harmless at the nursery. Then the trees keep climbing and can pass 100 feet (30 m) tall at maturity. Crowded roots and crowded crowns are the most common reason a green screen starts to brown out and thin in the middle.
Give each tree 12 to 15 feet (3.7 to 4.6 m) of room and the row will fill in without the plants choking each other. The gaps look silly the first year. By year four they close into one clean wall, and the trees stay healthy because air still moves between them. Want a true screen and not a lone tree? Try a staggered double row at the same wide spacing. It fills in faster and hides gaps better than one tight line. You buy more trees up front, but the wall lasts.
Fast growth is never free. A speedy tree wants more pruning to hold its shape and height, so plan on shearing the top and sides at least once a year. Tight spacing also raises disease risk, and Leyland is prone to a canker and a needle blight that spread quickly through a packed hedge. Wide spacing, yearly trimming, and a quick check for browning branches keep that risk low. The fastest growing cypress earns its name, but the speed is a trade, not a free gift. Plant a Leyland if you need a green wall fast, but go in knowing you have signed up for the upkeep that comes with it.
Read the full article: Cypress Trees: Types, Care, and Common Problems
