Isildur plants a seedling of the White Tree in Minas Anor
Event Type: General
Age: 3rd Age - The Kings
[Isildur] returned at first to Minas Anor, and there planted the White Tree in memory of his brother Anárion.
The Silmarillion, Of the Rings of Power and the Third Age
[Boromir:] 'All know in Gondor that he went first to Minas Anor and dwelt a while with his nephew Meneldil, instructing him, before he committed to him the rule of the South Kingdom. In that time he planted there the last sapling of the White Tree in memory of his brother.'
The Fellowship of the Ring, LoTR Book 2, Ch 2, The Council of Elrond