Investiture II or another member of the royal family each year. A list of those to be honoured is published twice a year, in either the New Year Honours or the Birthday Honours. Approximately 25 investitures are held annually: most in the Ballroom at Buckingham Palace, although the Waterloo Chamber in Windsor Castle and the Palace of Holyroodhouse in Edinburgh, Scotland, are also used. In 2014 The Prince of Wales held an investiture at Hillsborough Castle in Northern Ireland. Investitures are also held in other Commonwealth realms, when the Governor-General acts on behalf of the Queen. The poem "The Investiture" by
Garden at Buckingham Palace of the palace rebuilding by William Townsend Aiton of Kew Gardens and John Nash. The great manmade lake was completed in 1828 and is supplied with water by the Serpentine Lake in Hyde Park. According to Palace tourist guides, the garden is maintained by approximately eight full-time gardeners, with two or three part-timers. The trees include plane, Indian chestnut, silver maple, and a swamp cypress. In the south-west corner, there is a single surviving mulberry tree from the plantation installed by King James I of England when he unsuccessfully attempted to breed silkworms in the Mulberry Garden on the Buckingham