npub1uhpdq940eqwr77hn7u98pvatferfpm2gvy5ld288waplx84lptvq6x368e (npub1uhp…368e) That's giant Himalayan lily, Cardiocrinum giganteum. It's quite spectacular when in flower (and spreads wild around where it's planted).
https://inaturalist.nz/taxa/400397-Cardiocrinum-giganteum