RHS Partner Gardens networking days and public events 2026

Biosecurity update

With Sara Redstone, RHS Biosecurity Lead

• Wednesday 11 February 2026, 9.30am – 10.30am
• Online

All about honey fungus and peat-free update

With Jassy Drakulic, RHS Senior Plant Pathologist

• Wednesday 23 March 2026, 1pm – 2pm
• Online

Hillsborough Castle and Gardens

Meet members of the RHS Bulb Expert Group and enjoy a tour of the garden.

• Thursday 9 April 2026, 12.30pm
• Co Down, Northern Ireland

Hever Castle

With Head Gardener Neil Miller and Members of RHS Woody and Herbaceous Expert Groups

• Thursday 4 June 2026, 10.30am – 2pm
• ​Edenbridge, Kent

Aberglasney Gardens

Meet members of the RHS Herbaceous Expert Group and enjoy a tour of the garden

• Wednesday 17 June 2026, from 2pm
• Carmarthenshire, Wales

Blenheim Palace

Nature, biodiversity and historic estates with Head Gardner, Andy Mills

• Tuesday 14 July 2026, 10am – 3pm
• ​Woodstock, Oxfordshire

RHS Harlow Carr

Alpine and Streamside day – alpine masterclass plus tour of new service yard

• Wednesday 9 September 2026, 10am – 3pm
• North Yorkshire

Dorothy Clive Garden

Annual RHS Partner Garden forum and update on significant garden projects

• Tuesday 13 October 2026, 10am – 3pm
• ​Staffordshire

RHS Wisley

Woody propagation workshop and garden tour

• Wednesday 4 November 2026, 10am – 3pm
• Surrey

Specialist Plant Shows at RHS Wisley, Surrey

• 13 – 15 March 2026: Orchid Show
• 25 April 2026: Cactus and Succulent Show
• 2 May 2026: Auricula and Primula Show
• 30 May 2026: Summer Show, Iris and Hosta
• 17 – 18 June 2026: Sweet Pea Show
• 25 – 26 July 2026: Ferns and Carnivorous Plants Show
• 4 – 6 September 2026: Dahlias at RHS Wisley Flower Show
• 19 – 20 September 2026: Bonsai Show

Specialist Plant Shows at RHS Bridgewater, Greater Manchester

• 3 – 4 April 2026: Spring Plant Fair and Manchester Bonsai Show
• 25 April 2026: British Irish Society Show
• 11 – 12 July 2026: National Sweet Pea Society Late Show

Specialist Plant Shows at RHS Hyde Hall, Essex

• 24 – 25 March 2026: Daffodil Show
• 5 – 9 August 2026: RHS Hyde Hall Flower Show

Specialist Plant Shows at RHS Rosemoor, Devon

• 10 May 2026: Plant Heritage Spring Fair
• 20 June 2026: Pelargonium and Geranium Society National Show
• 6 September 2026: Plant Heritage Autumn Plant Fair

Specialist Plant Shows at RHS Harlow Carr, North Yorkshire

• 1 – 2 August 2026: Orchid Show
• 8 August 2026: Cactus and Succulent Show
• 19 September 2026: Cyclamen Society Show
• 10 October 2026: National Alpine Garden Show