What is the latest one can clip young box plants (9" high) and balls which I have just planted - some books advise June but others state this can be done up to the end of August.
Just did mine last week. Agree by end of August so the resulting new growth has chance to harden up before the cold weather arrives. J.
Thank you Jo - will clip this week-end. Sunday promises to be a good gardening day in my area. L