"gentlegreen" wrote in
message k...
"Robert (Plymouth)" wrote in message
...
wrote:
: Hi,
:
: I have a 4m high by 9m long conifer hedge. It is either a leylandi
If you find out what caused it, put it in a bottle and sell it ;-)
For Leylandii I usually recommend aggressive pruning (cut back to just above
soil level) followed by a good concrete mulch or treatment with a flame
thrower. They respond really well with both.