By Nellie61
Lancashire,
United Kingdom 
ive got two golden leylandi trees that have been shaped into balls, had them a couple of years,but noticed the inside on two or three were brown does anyone know why thanks
19 Oct, 2015
Answers
True of nearly all trimmed evergreen plants.
20 Oct, 2015
The inside of leylandii do go brown - so long you do not cut back beyond the yellow/green growth they 'should' be fine.
19 Oct, 2015