The garden consists of one acre of stockbeds with many thousands of kinds of plants many of which are unusual and rare. On open days visitors can follow or be taken on a guided tour.
Check website for latest information. For NGS: Mon 10 Apr, Mon 29 May, Sun 30 July, Mon 28 Aug, Sun 1 Oct (11-5). Admission £5, Children free. Light refreshments. Times:11:00 to 17:00.