Earlier this year, castle grounds were seeded with wildflowers and boxes for bats and birds to roost in were installed to encourage wildlife to thrive on the site.
Yn gynharach eleni, heuwyd hadau blodau gwylltion ar diroedd y castell a gosodwyd bocsys i ystlumod ac adar eu clwydo, er mwyn annog bywyd gwyllt i ffynnu ar y safle.