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  • BBC One Northern Ireland

Greatest Gardens with Diarmuid Gavin and Carol Klein

  • 2026
  • Returning Series
  • 1 season

Green-fingered celebs with a passion for plants help Diarmuid and Carol celebrate Northern Ireland’s glorious gardens. Bursting with ideas, the love for gardening shines through.

Latest: Season 1 · 2026

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  1. E1. Episode 1

    Mar 23, 2026

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

  2. E2. Episode 2

    Mar 30, 2026 · 29m

    Garden experts Diarmuid and Carol are joined by guest judge and passionate gardener Patrick Grant to continue the search to find Northern Ireland’s greatest garden.

  3. E3. Episode 3

    Apr 6, 2026 · 29m

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

  4. E4. Episode 4

    Apr 13, 2026 · 29m

    Carol Klein and Diarmuid Gavin lead the search along with guest judge and keen gardener Katie Piper to find Northern Ireland’s greatest garden.

  5. E5. Episode 5

    Apr 20, 2026 · 29m

    Diarmuid Gavin and Carol Klein, along with guest judge and gardening fan Fred Sirieix, continue the search to find Northern Ireland’s greatest garden.

  6. E6. Episode 6 - The Final

    Apr 27, 2026 · 29m

    The wait is over: the search for Northern Ireland’s greatest garden is almost at an end. Five passionate gardeners have reached the final.