As well as the four RHS gardens, the following RHS Partner Gardens offer free entry to RHS members in May (member 1 only). Please check the RHS Members' Handbook for details before you travel as free entry may not apply for the whole month. Enjoy your visit!
SCOTLAND
Abriachan Gardens
Branklyn Garden (Wed only)
Cambo Gardens (Wed only)
Cawdor Castle Gardens
Crathes Castle, Garden and Estate (Wed only)
Drummond Gardens
Dundee University Botanic Garden
Dunrobin Castle Gardens
Floors Castle Gardens
Geilston Garden (Wed only)
Harmony Garden (Wed only)
Hill of Tarvit Mansionhouse and Garden (Wed only)
Inwood Garden
Kellie Castle and Garden (Thur only)
Leith Hall Garden & Estate (Wed only)
Monteviot House
St Andrews Botanic Garden
Scone Palace
Threave Garden and Estate (Wed only)
ENGLAND
NORTH WEST
Bluebell Cottage Gardens
Cholmondeley Castle Gardens (pictured above)
Holker Hall and Gardens
Mount Pleasant
Ness Botanic Gardens (please note the non-member adult price is £6.50, not £2.50 as advised in the Members' Handbook)
The Quinta Arboretum and Nature Reserve
Rode Hall Gardens
Tatton Park Gardens
NORTH EAST, YORKSHIRE & THE HUMBER
The Alnwick Garden
Bide-a-Wee Cottage Gardens
Burnby Hall Gardens and Museum
Burton Agnes Gardens
Duncombe Park
Harewood House
Millgate House
Newby Hall and Gardens
Normanby Hall Country Park
Parcevall Hall Gardens
Raby Castle
Ripley Castle Gardens
Scampston Walled Garden (Fri only)
Stillingfleet Lodge Garden and Nurseries (Wed only)
Wentworth Castle Gardens
EAST OF ENGLAND
Anglesey Abbey Gardens
Benington Lordship (5-6 and 26-27 May only)
The Bressingham Gardens
East Bergholt Place Garden
Elton Hall (25-26 May only)
Mannington Gardens (Sun pm only)
Marks Hall Garden and Arboretum
Raveningham Gardens (Thur only)
Sandringham
Woburn Abbey Gardens
Wyken Hall
SOUTH EAST & LONDON
Bedgebury (excl weekends and Bank Hols; visit the Information Office to secure your free parking)
Chelsea Physic Garden (Tue & Wed only; excl Chelsea Flower Show week)
Englefield House
Furzey Gardens
Godinton House
Hever Castle and Gardens (gardens only)
Loseley Park (excl 12 May)
Nymans
Parham Park
Penshurst Place
Sheffield Park and Garden
Spinners Garden
Syon Park
SOUTH WEST
Batsford Arboretum
Cannington Walled Gardens
Chiffchaffs (Wed & Thur pm)
Coleton Fishacre (Sat only)
Compton Acres
Cranborne Manor Garden (Wed only)
Docton Mill Gardens (Sat only)
The Garden House (Fri only)
Holbrook Garden
Jasmine Cottage (30 May only)
Kilver Court (excl 12 May)
Kingston Maurward Gardens
Knoll Gardens
Mapperton Gardens
Minterne Gardens
Painswick Rococo Garden
Tapeley Park (from 8 May)
Westonbirt Arboretum
Wilton House (from 4 May)
WEST & EAST MIDLANDS
Arley Arboretum and Gardens (Thur only)
Barnsdale Gardens
Belvoir Castle
Bluebell Arboretum and Nursery
Cottesbrooke Hall
Coughton Court
Doddington Hall
Easton Walled Gardens
Felley Priory (Tue and Wed only)
Grimsthorpe Castle
Kelmarsh Hall
Melbourne Hall
Ragley Hall
Renishaw Hall
Ryton Gardens, home of Garden Organic
Stone House Cottage Gardens
WALES
Bodnant Garden
Cae Hir
The Dingle Gardens and Nursery
Dyffryn Gardens and Arboretum
The Garden House (Thur only)
Penpergwm Lodge
Picton Castle and Gardens
Plas Brondanw Gardens
Portmeirion
NORTHERN IRELAND
Glenarm Castle (N. Ireland)
Seaforde Gardens, N. Ireland
CHANNEL ISLANDS & OVERSEAS
Sausmarez Manor Subtropical Woodland Garden, Guernsey (first week of month only)
La Seigneurie Gardens, Sark (first week of month only)
Arboretum Kalmthout, Belgium
Fairchild Tropical Botanic Garden, USA
Isola Bella and Isola Madre, Italy
Parcs et Jardins of Loire Valley, France (selected gardens)