Season 1 Episodes6
Cast2

Diarmuid Gavin
Presenter

Carol Klein
Presenter
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Diarmuid Gavin and Carol Klein lead the search to find Northern Ireland's greatest garden with guest judge and passionate gardener Penny Lancaster.

Diarmuid Gavin
Presenter

Carol Klein
Presenter
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"Episode 3" is episode 3 of Greatest Gardens with Diarmuid Gavin and Carol Klein season 1. It aired on April 6, 2026.