Events

Open Day

Dionaea, Sarracenia

Saturday, 23 May 2026 1.00pm - Sunday, 24 May 2026 5.00pm

Telford , Shropshire

Open weekend to see the National Plant Collections.

Open Day

Acer (excl. palmatum cvs.), Sorbus (British endemic spp.)

Sunday, 24 May 2026 1.00pm - 4.00pm

Seaton Burn , Newcastle-upon-Tyne

Open day to visit the National Plant Collections.

Open Day

Ajuga spp. & cvs.

Saturday, 30 May 2026

Croydon , Surrey

Open day to visit the National Plant Collection.

Open Day

Sarracenia

Saturday, 30 May 2026 10.00am - Sunday, 31 May 2026 4.00pm

Hereford , Herefordshire

Open day to visit the National Plant Collection.

Open Day

Quercus

Sunday, 31 May 2026 1.30pm - 2.30pm

Tiverton , Devon

Open day to visit the National Plant Collection.

Open Day

Iris Siberian cvs. (with the RHS AGM)

Tuesday, 2 June 2026 10.00am - Thursday, 4 June 2026 4.00pm

by St Andrews , Fife

Open event 2-4 Jun to visit the National Plant Collection.

Open Day

Jovibarba, Sempervivum

Wednesday, 3 June 2026 1.00pm - 4.00pm

Hope Valley , Derbyshire

Garden open day (NGS) with examples from the collection on view. Full collection viewable by appt., not on NGS days.

Open Day

Iris series Sibiricae, Iris Siberian cvs. (with the RHS AGM)

Friday, 5 June 2026 9.00am - Monday, 8 June 2026 2.00pm

Leven , Fife

Open days to visit the National Plant Collections. Booking essential.

Event

Members' Weekend and Plant Exchange 2026 in Suffolk

Friday, 5 June 2026 6.30pm - Sunday, 7 June 2026 12.00pm

Bury St Edmunds and Helmingham Hall near Stowmarket , Suffolk

Welcome to Suffolk for the annual National Members' get together and Plant Exchange. Beautiful Helmingham Hall near Stowmarket and Bury St Edmunds are at the centre of what promises to be a memorable weekend for all. Everyone is welcome and you can invite friends or family. BOOKINGS NOW OPEN

Open Day

Dionaea, Sarracenia

Saturday, 6 June 2026 10.00am - 5.00pm

Telford , Shropshire

Open weekend to see the National Plant Collections.

Open Day

Geranium phaeum cvs. & primary hybrids

Saturday, 6 June 2026 11.00am - Sunday, 7 June 2026 4.00pm

Desford , Leicestershire

Open weekend to visit the National Plant Collection.

Visit

Abbotsbury Subtropical Gardens - Specialist Plant Fair

Sunday, 7 June 2026 10.00am - 3.00pm

Weymouth , Dorset

Large, specialist fair, approx 30 stalls with the emphasis very much on plants and gardening, offering a very wide range including exotics, subtropical, succulents, alpines, herbs, shrubs, hardy perennials, houseplants, scented plants and annuals. Rare and unusual special or cultivars. Also, wildlife charities and craft stalls. Fresh Italian coffee stall.  Free parking. Dogs on short leads welcome.

Open Day

Codonopsis & related genera

Sunday, 7 June 2026 10.30am - 4.30pm

Louth , Lincolnshire

Open day to visit the National Plant Collection.

Open Day

Yucca

Sunday, 7 June 2026 12.00pm - 5.00pm

Burwell , Cambridgeshire

Open day to visit the National Plant Collection.

Open Day

Stewartia

Sunday, 7 June 2026 1.00pm - 5.00pm

Haywards Heath , West Sussex

Open day to visit the National Plant Collection.

Open Day

Ceanothus

Sunday, 7 June 2026 2.00pm - 5.00pm

Pimlico , London

Open day to visit the National Plant Collection.

Visit

Visit and guided tour West Dean Gardens

Wednesday, 10 June 2026 10.00am - 3.00pm

Chichester , West Sussex

Creatively inspired by its rich heritage and setting, West Dean Gardens is brimming with features to enjoy.

Event

Surrey Group Summer Social 2026

Saturday, 13 June 2026 2.00pm - 5.00pm

Croydon , Surrey

I am delighted to announce that Paul and Neil have invited us all back (again!) for another knees-up at their fabulous garden in Croydon, Surrey

Thank you both so much.

Open Day

Citrus

Sunday, 14 June 2026 11.00am - 4.00pm

Bedfordshire

Open day to visit the National Plant Collection.

Open Day

Jovibarba, Sempervivum

Sunday, 14 June 2026 1.00pm - 4.00pm

Hope Valley , Derbyshire

Garden open day (NGS) with examples from the collection on view. Full collection viewable by appt., not on NGS days.

Open Day

Rosa (Alba roses)

Thursday, 18 June 2026 10.00am - 5.00pm

Ashford , Kent

Open day to visit the National Plant Collection. Booking essential

Open Day

Polypodium (hardy cvs.)

Friday, 19 June 2026 5.00pm - 8.00pm

Malvern , Worcestershire

Open day to visit the National Plant Collections.

Open Day

Salix

Saturday, 20 June 2026 10.00am - 4.00pm

Carmarthen , Carmarthenshire

Open day to visit the National Plant Collection.

Open Day

Fragaria vesca, Polemonium, Collomia, Gilia & Leptodactylon (Polemoniaceae)

Saturday, 20 June 2026 1.00pm - 4.00pm

Trimdon Station , Co Durham

Open day to visit the National Plant Collection.

Open Day

Eucalyptus spp.

Sunday, 21 June 2026 11.00am - 5.00pm

Eynsford , Kent

Open day to visit the National Plant Collection.

Open Day

Crataegus spp. & cvs. (ornamental trees suitable for small gardens), Rosa (Hybrid Musk intro by Pemberton & Bentall 1912-1939)

Sunday, 21 June 2026 1.00pm - 5.00pm

Ribchester , Lancashire

Open day to visit the National Plant Collections.

Visit

NGS Open Day at Dutton Hall

Sunday, 21 June 2026 1.00pm - 5.00pm

Gallows Lane, Ribchester , Lancashire

Dutton Hall will be open for adults and children. There will be a PH plant sale and home made cakes and tea/coffee for sale. There is a formal garden at the front of the 17th Century house and a 2 acre garden at the rear which includes a large collection of old fashioned roses, many interesting trees, water feature, wild orchid meadow and viewing platforms with extensive views over the Ribble Valley.

Open Day

Rosa (rambling)

Sunday, 21 June 2026 2.00pm - 6.00pm

Cirencester , Gloucestershire

Open day to visit the National Plant Collection.

Visit

Norwell Nurseries, Nottinghamshire

Friday, 26 June 2026 10.30am - 3.00pm

Yorkshire

This will be a visit of many delights to a nursery of high repute, home of two National Plant Collections, Astrantia and Chrysanthemum (hardy) dispersed. With refreshments on arrival, and then a guided tour of the nursery by Andrew and Helen Ward. This promises to be a real treat. Described in the National Garden Scheme book as a jewel box of 3000 different, beautiful and unusual plants sumptuously set out in a 1-acre plantsman’s garden including cottage garden borders, alpine and scree areas, shade and woodland areas and a pond. 

Visit

Tithe Barn, Wellow Dyke: home of Andrew & Carrie Young

Friday, 26 June 2026 2.15pm - 4.00pm

Wellow , Yorkshire

On the edge of the Wellow Dyke, bordered by a woodland garden, this garden promises contrast with mature shrubs, weeping trees, herbaceous beds, irises, roses and rambling roses scrambling into fruit trees coupled with a generous terrace and the formality of yew hedges and wide sweeps of lawn. Andrew is  the National Garden Scheme organiser for Nottinghamshire and Derbyshire.

Open Day

Clematis viticella cvs., Lapageria rosea (& named cvs.)

Saturday, 27 June 2026 1.00pm - Sunday, 28 June 2026 5.00pm

Truro , Cornwall

Open weekend to visit the National Plant Collections.

Open Day

Buddleja (hardy spp. & cvs.)

Sunday, 28 June 2026 10.00am - 4.00pm

Stockbridge , Hampshire

Open day to visit the National Plant Collection.

Open Day

Astrantia

Sunday, 28 June 2026 1.00pm - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Santolina

Monday, 29 June 2026 10.00am - Friday, 3 July 2026 4.00pm

Wickham Market , Suffolk

Open event to visit the National Plant Collection.

Open Day

Yucca

Wednesday, 1 July 2026 10.30am - 4.30pm

Sheffield , Derbyshire

Open day to see the National Plant Collection. Open day to see the National Plant Collection. Linda Heywood's National Plant Collection of Echium will also be on display.

Open Day

Astrantia

Wednesday, 1 July 2026 6.00pm - 8.30pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Veronica longifolia & V. spicata cvs. & modern hybrids

Saturday, 4 July 2026 11.00am - Sunday, 5 July 2026 3.00pm

Leigh , Staffordshire

Open weekend to visit the National Plant Collection.

Open Day

Peperomia cvs.

Sunday, 5 July 2026 11.00am - 3.00pm

High Peak , Derbyshire

Open day to visit the National Plant Collection.

Visit

Parham House & Gardens Plant Fair

Sunday, 5 July 2026 12.00pm - 5.00pm

Storrington , West Sussex

Parham Gardens include the lake and 4 acre organic walled garden.

Open Day

Achillea filipendulina & A. millefolium cvs.

Wednesday, 8 July 2026 10.00am - 2.00pm

Crawley , West Sussex

Open day to visit the National Plant Collection.

Visit

Achillea Open Day - Worth Park

Wednesday, 8 July 2026 10.00am - 2.00pm

Worth Park , West Sussex

Open Day

Calendula spp., Symphytum

Saturday, 11 July 2026 1.00pm - 5.00pm

Coventry , Warwickshire

Open day to visit the National Plant Collection.

Event

Plant Fair : South Molton Pannier Market - July

Sunday, 12 July 2026 10.00am - 2.00pm

South Molton , Devon

There will be a wide variety of rare and unusual trees, shrubs and perennials from local nurseries for sale, a must for all keen gardeners and plant collectors. The local Plant Heritage group will also be selling plants and sharing more information about their work. Everybody welcome. Catering available.

Nursery and traders list below

Open Day

Rosa (pre 1900 Gallica cvs.)

Sunday, 12 July 2026 11.00am - 5.00pm

Earlston , Scottish Borders

Open day to visit the National Plant Collection.

Open Day

Erythronium, Gaultheria (incl. Pernettya), Polystichum, Vaccinium

Tuesday, 14 July 2026 2.00pm - 6.00pm

Porlock , Somerset

Open day to visit the National Plant Collections.

Event

Surrey group committee meeting 160726

Thursday, 16 July 2026 6.30pm - 8.30pm

Surrey

Surrey Group Committee are meeting via Zoom.

Although closed to the public we welcome anybody from the Surrey Group who would like to contribute.

Open Day

Agapanthus (Fairweather Nursery trials collection)

Friday, 17 July 2026 11.00am - Saturday, 18 July 2026 12.30pm

Beaulieu , Hampshire

Open days to visit the National Plant Collection.

Open Day

Anguloa spp. & hybrids, Cymbidium, Masdevallia spp. & hybrids, Oncidium, Pleione, Stanhopea & Acineta spp. & hybrids

Saturday, 18 July 2026 10.30am - 12.30pm

West Sussex

Open day to visit the National Plant Collections. Booking essential.

Open Day

Quercus

Monday, 20 July 2026 1.00pm - 5.00pm

Tiverton , Devon

Open event 20-26 Jul to visit the National Plant Collection.