On Saturday 16 September, Dame Patsy and Sir David hosted the planting of two Pennantia baylisiana trees at Government House in Auckland. The tree planting was part of Mayor Phil Goff's Million Trees initiative which will see 1 million native trees planted across Auckland over three years. The tree planting was attended by representatives from Auckland Council and Trees That Count,one of the supporters of Million Trees. Some of the grandchildren of Sir Frank and Lady Mappin, the family that established Government House Auckland's beautiful gardens were also present.