Gardeners' World is a long-running British gardening programme, first broadcast on 5 January 1968. The 2024 series is the 55th. Its first series was presented by Ken Burras and came from Oxford Botanical Gardens. Up until 2020 most of its episodes have been 30 minutes in duration; however, this changed in spring 2020 when the format was extended to an hour. All episodes in the 2021 series onwards follow this 60-minute format. Gardeners' World currently airs between mid-March and late October on BBC Two every Friday. The programme usually takes a three-month winter break from November to February.

The programme's main presenter is currently Monty Don. Other regular presenters include Adam Frost, Frances Tophill, Joe Swift, Arit Anderson, Advolly Richmond, Nick Bailey, Carol Klein, Mark Lane and Rachel de Thame. The magazine BBC Gardeners' World is a tie-in to the programme.