Commemorated on 2 plaques
HRH The Prince of Wales KG KP opened Erddig to the public on 27th June 1977. The house, gardens and park were the munificent gift to the National Trust of Philip Yorke the last Squire of Erddig
The gardens, Erddig, United Kingdom where it sited (1683)
Erddig National Trust Supporting the National Gardens Scheme for 85 years 1927 - 2012
The gardens, Erddig, United Kingdom where it supported the National Gardens Scheme (1927-2012)