The RHS Chelsea Flower Show 2025 will feature an underwater flowering plant for the first time. The Seawilding Garden will be designed by Ryan McMahon.

An under-the-sea flowering garden is to be displayed at this year’s Chelsea Flower Show for the first time in its 111-year history.

Garden inspired by ‘magical’ British rainforest set for Chelsea Flower Show - The British rainforest garden from the Wildlife Trusts aims to raise awareness of threatened and largely lost wet woodland habitat.

The ocean's only flowering plant will feature at the RHS Chelsea Flower Show 2025 for the first time. Seagrass — a vibrant green plant that grows underwater in shallow coastal areas — will be displayed inside a glass saltwater tank at the Seawilding Garden when the world's most famous flower show returns in May.