Botanical gardens in the United Kingdom is a link page for any botanical garden, arboretum or pinetum in the United Kingdom.

England

Berkshire

• Harris Garden, University of Reading, Reading

Birmingham

• Birmingham Botanical Gardens
• Winterbourne Botanic Garden, University of Birmingham

Bristol

• Bristol University Botanic Gardens

Cambridgeshire

• Cambridge University Botanic Garden, Cambridge

Cheshire

• Jodrell Bank Arboretum
• Ness Botanic Gardens
• Quinta Arboretum

Cornwall

• Lost Gardens of Heligan
• Eden Project

County Durham

• University of Durham Botanic Garden

Cumbria

• Holker Hall and Gardens

Derby

• Derby Arboretum

Devon

• Bicton Gardens
• Paignton Botanical Gardens

Dorset

• Abbotsbury Subtropical Gardens

Gloucestershire and South Gloucestershire

• Batsford Arboretum
• Tortworth Court Arboretum
• Westonbirt Arboretum, Tetbury

Hampshire

• Exbury Gardens, Exbury
• Sir Harold Hillier Gardens, Romsey

Hertfordshire

• Physic Garden, Hitchin

Isles of Scilly

• Abbey Gardens, Tresco

Isle of Wight

• Ventnor Botanic Garden, Ventnor

Kent

• Bedgebury National Pinetum

Lancashire

• Myerscough College

Leicestershire

• University of Leicester Botanic Garden, Oadby

London

• Chelsea Physic Garden, Chelsea
• Royal Botanic Gardens, Kew
• Medicinal Plant Garden, Royal College of Physicians of London, Regents Park
• Fulham Palace House & Garden, Fulham

Manchester

• RHS Garden Bridgewater Salford
• Firs Botanical Grounds Fallowfield
• Fletcher Moss Botanical Garden Didsbury

Merseyside

• Wavertree Botanic Park and Gardens, Liverpool
• Calderstones/Harthill estate, Liverpool
• Southport Botanic Gardens

Newcastle upon Tyne

• Moorbank Botanic Gardens, Newcastle University

North Yorkshire

• Thorp Perrow Arboretum, Bedale
• The Yorkshire Arboretum, Nr Malton
• Museum Gardens, York

Northamptonshire

• Thenford House Arboretum, Thenford

Nottinghamshire

• The Arboretum, Nottingham

Oxfordshire

• University of Oxford Botanic Garden, Oxford
• Harcourt Arboretum, Nuneham Courtenay

Staffordshire

• National Memorial Arboretum, Alrewas

South Yorkshire

• Sheffield Botanical Gardens, Sheffield

Surrey

• Royal Botanic Gardens, Kew
• Royal Horticultural Society Gardens, Wisley
• Winkworth Arboretum

West Sussex

• Wakehurst Place (outstation of Royal Botanic Gardens, Kew)
• Borde Hill Garden, Haywards Heath

Worcestershire

• Bodenham Arboretum

Scotland

Aberdeen

• Cruickshank Botanic Garden, Aberdeen

Argyll

• Benmore Botanic Garden, near Dunoon, first outstation of the Royal Botanic Garden Edinburgh
• Crarae Gardens, Inveraray

Dundee

• University of Dundee Botanic Garden

Edinburgh

• Royal Botanic Garden Edinburgh. The main site is in Edinburgh at Inverleith, with three "Regional Gardens":
  • Benmore Botanic Garden in Argyll, formerly known as the Younger Botanic Garden
  • Dawyck Botanic Garden in the Scottish Borders
  • Logan Botanic Garden in Galloway

Fife

• St Andrews Botanic Garden

Galloway

• Logan Botanic Garden, Port Logan, regional garden of the Royal Botanic Garden Edinburgh

Glasgow

• Glasgow Botanic Gardens

Inverness

• Inverness Botanic Gardens

Scottish Borders

• Dawyck Botanic Garden near Peebles, regional garden of the Royal Botanic Garden Edinburgh

Wales

Carmarthenshire

• National Botanic Garden of Wales

• Gelli Aur Arboretum

Ceredigion

• Aberystwyth University Botanic Garden - Penglais

Gwynedd

• Treborth Botanic Garden - Bangor University

Vale of Glamorgan

• Cowbridge Physic Garden

Swansea

• Clyne Gardens
• Singleton Botanical Gardens

Northern Ireland

Belfast

• Belfast Botanic Gardens