"Jake" wrote:

You say "They do not take up a lot of space" - clearly ignoring
Charlie's advice. Last year I spent days, plus a lot of money hiring
kit, to remove a "dwarf" conifer that was about 20 feet across and
about 35 high. It was, I believe, about 15 years old. Leylandii will
easily be about 20 feet tall and 8-10 across in 10 years if you don't
keep them under control.

My garden is ringed by conifer hedges and I detest them. Some are mine,
most belong to neighbours. I lose two days of my life every year trimming
them back so they don't take over my garden and cutting the tops so I still
get some daylight.

I think conifers are best trimmed with a chainsaw just above ground level
;-)
--
Interloper