By Rikk2
United Kingdom 
membership number 10063467 r.j.h pierson my leylandi conifers have been sprayed with a water based fencing spray theve developed tip burn brown and grey is there any remedial action i can take richard
3 May, 2010
Previous question
If they're leylandii, I'd wait a month or so and then shear the tips over - they cope fairly well with a bit of a trim. Not much else you can do.
3 May, 2010