Season 1 Episodes6
Cast2

Diarmuid Gavin
Presenter

Carol Klein
Presenter
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Garden experts Diarmuid Gavin and Carol Klein are joined by guest judge and passionate gardener Dame Prue Leith as they visit three stunning gardens.

Diarmuid Gavin
Presenter

Carol Klein
Presenter
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"Episode 1" is episode 1 of Greatest Gardens with Diarmuid Gavin and Carol Klein season 1. It aired on March 23, 2026.