Events

Open Day

Epimedium

Saturday, 25 April 2026 10.00am - Sunday, 26 April 2026 4.00pm

Brentwood , Essex

Open weekend to visit the National Plant Collection.

Talk

Talk: 'Grow, Cut & Arrange’ by Jacqueline Iddon

Wednesday, 29 April 2026 1.30pm - 3.00pm

Knutsford , Cheshire

Join our friendly Cheshire group for a talk about growing, cutting and arranging flowers by Jacqueline Iddon. Talk starts at 2pm but come along from 1.30pm. All welcome. 

Event

Group National Collection Holders Day

Thursday, 30 April 2026 10.00am - 4.00pm

Moreton in March , Gloucestershire

Batsford Arboretum

Open Day

Geum coccineum & G. rivale cvs.

Sunday, 3 May 2026 10.00am - 4.30pm

Bath , Somerset

Open day to visit the National Plant Collection.

Event

Denbies May 2026 Plant Fair

Sunday, 3 May 2026 10.00am - 2.00pm

Dorking , Surrey

Come along to our great plant fair, with lots of specialist nurseries as well as our popular Plant Heritage plant stand with plants propagated by the Surrey group. 

Free to enter and plenty of parking

Visit

Plant Fair - Hethersett Village Hall and Field

Sunday, 3 May 2026 10.00am - 1.00pm

Norfolk

Our Plant Fairs are a major event and offer something for everyone. 20+ nurseries will be there, along with our own plant stall. There will also be specialist nurseries in the Hall, including Potterton's Nursery and the Norfolk Bonsai Association. The Plant Doctor will be in residence offering advice. Homemade refreshments too. 

Visit

Essex Plant Heritage May Plant Fair

Sunday, 3 May 2026 10.00am - 4.00pm

Park Drive , Essex

Another chance to buy fantastic plants in the lovely setting of Maldon Promenade Park. With free entry and lots to see at this historic place, come along and support Plant Heritage.

If you can help the group in any way, please get in touch. We would love to hear from you - for instance, could you propagate plants for the Plant Heritage stall at the Plant Fairs or help at this or our other Plant Fairs?

Visit

A Visit to Surrey Group's National Collection of Wisteria

Sunday, 3 May 2026 12.00pm - Sunday, 31 May 2026 12.00pm

Surrey

This event will take place at sometime in May dependant on the blooming time (never easy to predict!) of the plants this year.

Please send an email to register your interest for this trip.

Open Day

Quercus

Sunday, 3 May 2026 1.30pm - 4.30pm

Tiverton , Devon

Open day to visit the National Plant Collection.

Event

Group Plant Table, Eastcombe Village Hall

Sunday, 3 May 2026 1.30pm - 5.30pm

Eastcombe, nr. Stroud , Gloucestershire

Sale of plants donated by members

Open Day

Geum cvs.

Sunday, 3 May 2026 2.00pm - 5.30pm

Cranbrook , Kent

Open day to visit the National Plant Collection.

Open Day

Petrocosmea, Streptocarpus, Streptocarpus (Saintpaulia)

Monday, 4 May 2026 10.00am - 4.00pm

Ruthin , Denbighshire

Open day to visit the National Plant Collections.

Open Day

Quercus

Monday, 4 May 2026 1.00pm - 5.00pm

Tiverton , Devon

Open event 4-10 May to visit the National Plant Collection.

Event

Group Plant Table, Eastcombe Village Hall (Day 2)

Monday, 4 May 2026 1.30pm - 5.30pm

Eastcombe, nr. Stroud , Gloucestershire

Sale of plants donated by members

Event

May Plant Fair

Monday, 4 May 2026 10.00pm - 3.00pm

Stockbridge , Hampshire

Spring plant fair with a great range of plants and invited nurseries.

Open Day

Yucca

Wednesday, 6 May 2026 10.30am - 4.30pm

Sheffield , Derbyshire

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

Visit

Visit West Lavington Manor, Wiltshire

Friday, 8 May 2026 11.00am - 3.00pm

West Lavington , Wiltshire

The garden is in the grounds of a house (not open) with early origins dating from 1475 and extended over the years most recently in 1908. After the Norman conquest the manor was owned until the Dissolution by the Bishop of Salisbury.

Open Day

Rebutia, Aylostera & Weingartia (incl. Sulcorebutia)

Saturday, 9 May 2026 10.00am - 5.00pm

Ellon , Aberdeenshire

Open day to visit the National Plant Collection.

Talk

Update on the Restoration of the Palm House, RBGE.

Saturday, 9 May 2026 2.30pm - 4.00pm

Ponteland , Northumberland

This talk by Fiona Inches will update us on the Palm House Renovation now that building work is complete.  

Visit

Borde Hill Plant Fair

Sunday, 10 May 2026 10.00am - 3.00pm

Haywards Heath , East Sussex

Our President's award winning garden has a rich horticultural history. The Azalea Ring should be at its finest.

Event

Plant Fair: RHS Garden Rosemoor- May

Sunday, 10 May 2026 10.00am - 3.00pm

Torrington , 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 offering plants for sale and have an information stand. New members welcome!

Nurseries and traders attending below

Open Day

Jovibarba, Sempervivum

Sunday, 10 May 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

Ceanothus

Sunday, 10 May 2026 2.00pm - 5.00pm

Pimlico , London

Open day to visit the National Plant Collection.

Open Day

Geum cvs.

Sunday, 10 May 2026 2.00pm - 5.30pm

Cranbrook , Kent

Open day to visit the National Plant Collection.

Open Day

Rhododendron (Colonel Stephenson Clarke’s collection at Borde Hill)

Tuesday, 12 May 2026 10.00am - 5.00pm

Haywards Heath , West Sussex

Open day to visit the National Plant Collection.

Open Day

Astrantia

Sunday, 17 May 2026 2.00pm - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Carpinus betulus cvs., Catalpa, Taxodium spp. & cvs.

Sunday, 17 May 2026 2.00pm - 5.00pm

Barnet , Hertfordshire

Open day to visit the National Plant Collections.

Open Day

Jovibarba, Sempervivum

Wednesday, 20 May 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

Meconopsis (George Sherriff Group & related M. gakyidiana)

Saturday, 23 May 2026 10.00am - Sunday, 24 May 2026 4.00pm

Canonbie , Dumfries & Galloway

Open weekend to visit the National Plant Collection.

Open Day

Baptisia

Saturday, 23 May 2026 11.00am - 4.00pm

Rayleigh , Essex

Open day to visit the National Plant Collection.

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.

Event

Wild Flower Walk with Simon Harrap

Tuesday, 26 May 2026 2.00pm - 4.00pm

Norfolk

With Simon Harrap at Ashwellthorpe Lower Wood Wildlife Trust Reserve.

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. Please note the Friday dinner/talk is fully booked and the Saturday is almost full, but feel free to join the waiting list and we will be in touch.  

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

Garden Visit - Vicarage House, Great Hockham

Sunday, 7 June 2026 2.00pm - 5.00pm

Great Hockham , Norfolk

Visit to the garden at Vicarage House, Great Hockham.