Leylandii is a fast-rising hedge plant which has the fastest advancement rate of about 75-90cm each year. Leylandii, often called Cupressocyparis, is a surprising hedge plant that can add class to the yard. Leylandii would be the quickest rising of all conifers expanding as much as 90cm for every annum https://digibookmarks.com/story19004200/leyland-tarmac-driveways-secrets