What happens to leylandii after they are cut?

Can you do this by cutting the leylandii back?

It is well-known that Leylandii that have been trimmed in the autumn are more vulnerable to attack, especially if they have been trimmed very hard. Trim your Leylandii hedges in the spring or summer (but be careful of nesting birds). Your hedge should be trimmed in the late spring or early season.

Beside above, do leylandii have deep roots? Its roots, for example, do not go deep. Roy McClure, a Richmond-based surveyor, says that although Leylandii roots can block drains and cause blockages if they get too close to buildings they aren't as dangerous as normal trees.

Likewise, do conifers grow back?

Conifers, unlike other woody plants require very little pruning. This is except where the green branches are found in trees with variegated or coloured foliage. It is quite common for conifers get too big for their site. If you cut into old wood, most conifers won't regrow.

What is the cost of trimming leylandii?

Summary: Your Leylandii hedge should be trimmed once per year. Do not trim your hedge too often. Keep the hedge at the same height each year and leave 4 inches (10 cm) of green growth. Not in the fall, trim your hedge in spring and summer.