Events

Open Day

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

06 June 2025 10.00am - 09 June 2025 2.00pm

Leven , Fife

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

Visit

Visit Thenford Gardens and Arboretum - Members Day and Plant Exchange 2025

07 June 2025 10.00am - 4.00pm

Banbury , Oxfordshire

Fri 6th June 6pm talk - 'The past and present of horticulture', by Tamsin Westthorpe, 7pm dinner

Sat 7th June, 9.30am-4pm - Thenford gardens; talks from John Grimshaw, plantsman; National Collection Holder of Thalictrum, Nicholas Guntrip Hook; Sally Flatman, Trustee and creator of Our Plants Podcast. Meet other members and enjoy a light lunch, visit the garden and arboretum. Plant Exchange too. Booking is now open.

Open Day

Dryopteris (hardy cvs.), Polystichum (hardy cvs.)

08 June 2025 10.00am - 4.00pm

Nr. Exeter , Devon

Open day to visit the National Plant Collections.

Open Day

Astrantia

08 June 2025 10.00am - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Event

Summer Plant Fair at Abbotsbury Subtropical Gardens

08 June 2025 10.00am - 3.00pm

Buller Wy, Abbotsbury. Weymouth , Dorset

Up to 30 plant and garden craft stalls. Promises to be one of the best Fairs yet, lots of rare, exotic, interesting and unusual plants.

Open Day

Citrus

08 June 2025 11.00am - 4.00pm

Bedfordshire

Open day to visit the National Plant Collection.

Open Day

Crassula spp.

08 June 2025 11.00am - 5.00pm

Hook , Hampshire

Open day to visit the National Plant Collection.

Open Day

Yucca

08 June 2025 12.00pm - 5.00pm

Burwell , Cambridgeshire

Open day to visit the National Plant Collection.

Visit

Private garden visit LARKRISE

11 June 2025 2.15pm - 11 June 2026 6.00pm

CRAPSTONE , Devon

Workshop

In-person Persephone plant records workshop with lunch & visit to Chevithorne Barton.

12 June 2025 10.30am - 2.30pm

Tiverton , Devon

The workshop is designed for Collection Holders (full & proposed) coordinators and members who already use Persephone, or would like to find out more about it.

Visit

Visit to Lower Gaer

12 June 2025 2.00pm - 4.00pm

Kington , Herefordshire

Visit to Lower Gaer by kind invitation of Susan Maiden and Mark Johnson.

Please book by Thursday 5th June.

Event

PHNE Plant Fair, Ushaw House & Gardens

14 June 2025 10.00am - 3.00pm

Durham , Co Durham

Large Plant Heritage North East stall with locally grown plants, plus nurseries from elsewhere in the north-east, Borders, Cumbria and Yorkshire.  Garden crafts. Ample parking, restaurant, and superb grounds and historic chapels to explore at this exceptional site.

Visit

A Visit to Norney Grange

14 June 2025 2.00pm - 4.30pm

Godalming , Surrey

A Visit to Norney Grange.

We have limited spaces so by Pre-booking only.

Open Day

Astrantia

15 June 2025 10.00am - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Delphinium elatum cvs.

15 June 2025 10.30am - 4.00pm

Leeds , Yorkshire

Open day to visit the National Plant Collection.

Open Day

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

15 June 2025 1.00pm - 4.00pm

Trimdon Station , Co Durham

Open day to visit the National Plant Collection.

Open Day

Jovibarba, Sempervivum

15 June 2025 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

Salix

21 June 2025 10.00am - 4.00pm

Carmarthen , Carmarthenshire

Open day to visit the National Plant Collection.

Open Day

Astrantia

22 June 2025 10.00am - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Delphinium elatum cvs.

22 June 2025 10.30am - 4.00pm

Leeds , Yorkshire

Open day to visit the National Plant Collection.

Open Day

Rosa (Hybrid Musk intro by Pemberton & Bentall 1912-1939)

22 June 2025 1.00pm - 5.00pm

Ribchester , Lancashire

Open day to visit the National Plant Collection.

Event

Surrey Group Summer Social 2025

22 June 2025 2.00pm - 5.00pm

Croydon , Surrey

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

Thank you both so much.

Open Day

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

28 June 2025 1.00pm - 29 June 2025 5.00pm

Truro , Cornwall

Open weekend to visit the National Plant Collections.

Event

Arley Garden Festival

28 June 2025 1.00pm - 4.00pm

Cheshire

Arley Garden Festival, we will be selling plants grown by members

Open Day

Buddleja (hardy spp. & cvs.)

29 June 2025 10.00am - 3.30pm

Stockbridge , Hampshire

Open day to visit the National Plant Collection.

Open Day

Astrantia

29 June 2025 1.00pm - 5.00pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Rosa (rambling)

29 June 2025 2.00pm - 6.00pm

Cirencester , Gloucestershire

Open day to visit the National Plant Collection.

Open Day

Yucca

02 July 2025 10.30am - 4.30pm

Sheffield , Derbyshire

Open day to see the National Plant Collection.

Open Day

Astrantia

02 July 2025 6.00pm - 8.30pm

Norwell , Nottinghamshire

Open day to visit the National Plant Collection.

Open Day

Dierama spp.

03 July 2025 11.00am - 4.00pm

Stafford , Staffordshire

Open day to visit the National Plant Collection.

Visit

Private garden visit LITTLE DARTMOUTH

03 July 2025 2.30pm - 5.30pm

Devon

Event

Summer Plant Fair - Parham House & Gardens

06 July 2025 12.00pm - 5.00pm

Storrington , West Sussex

PH stand is joined by some of the SE best specialist nurseries. The Parham gardens of 7 acres were laid out in the 18th Century, there is a lake, brick and turf maze and a 4 acre walled garden, with roses, cut flowers, veg and an orchard

Open Day

Quercus

07 July 2025

Tiverton , Devon

Open event 7-13 Jul to visit the National Plant Collection.

Open Day

Achillea filipendulina & A. millefolium cvs.

09 July 2025 10.00am - 2.00pm

Crawley , West Sussex

Open day to visit the National Plant Collection.

Workshop

In-person Persephone plant records workshop with lunch & garden visit.

09 July 2025 10.30am - 2.30pm

Lacock, Chippenham , Wiltshire

The workshop is designed for Collection Holders (full & proposed) coordinators and members who already use Persephone, or would like to find out more about it.

Visit

Visit to Mounton House

09 July 2025 2.30pm - 4.00pm

Pwllmeyric, Chepstow , Monmouthshire

Visit to Mounton House by kind invitation of Armin Bienger and Paul Cook.

Please book by Tuesday 1st July.

Open Day

Dierama spp.

10 July 2025 11.00am - 4.00pm

Stafford , Staffordshire

Open day to visit the National Plant Collection.

Open Day

Heliotropium, Lantana, Queen Mary II Exoticks Collection

10 July 2025 6.00pm - 8.00pm

East Molesey , Surrey

Open evening to visit the National Plant Collection. Pre-booking essential.

Open Day

Symphytum

12 July 2025 1.00pm - 5.00pm

Coventry , Warwickshire

Open day to visit the National Plant Collection.

Event

Plant Fair : South Molton Pannier Market- July

13 July 2025 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.  Catering will also be available. Also the Group will have a sales and information stand.

Visit

Visit to Chalk Farm Flowers

13 July 2025 10.30am - 2.00pm

Roger's Lane, Findon , West Sussex

This cut flower farm is owned by Dan & Molly. Using sustainable practices, they grow a wide range of flowers on the one-acre site, which they sell to local customers, at farmers' markets and florists. includes a 45 min talk and tour followed by refreshments.  Deadline for booking Friday 4th July

Open Day

Rosa (pre 1900 Gallica cvs.)

13 July 2025 11.00am - 5.00pm

Earlston , Scottish Borders

Open day to visit the National Plant Collection.

Open Day

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

15 July 2025 2.00pm - 6.00pm

Porlock , Somerset

Open day to visit the National Plant Collections.

Open Day

Dierama spp.

17 July 2025 11.00am - 4.00pm

Stafford , Staffordshire

Open day to visit the National Plant Collection.

Open Day

Agapanthus (Fairweather Nursery trials collection)

18 July 2025 - 19 July 2025

Beaulieu , Hampshire

Open days to visit the National Plant Collection.

Visit

Visit to the National Collection of Aeonium

18 July 2025 10.30am - 1.00pm

Eastleigh , Hampshire

Over 600 half-hardy plants to view. Plants for sale. 

Visit

Summer Party and garden visit to Stockton Bury Gardens

18 July 2025 6.00pm - 9.00pm

Leominster , Herefordshire

Summer party and garden visit to Stockton Bury Gardens by kind invitation of Tamsin Westhorpe and Connie Marsden.

Please book by Wednesday 9th July.

Visit

Achillea Open Day, Ridley's Court

19 July 2025 10.00am - 2.00pm

Worth Park , East Sussex

Plants for sale and nearby refreshment at Kelly's Coffee.  Public car park can get busy, so car share good idea. Train 15 - 20 min walk to the park from Three Bridges station

Event

Summer Social Evening

24 July 2025 6.00pm - 9.00pm

Cheltenham , Gloucestershire

Charlton Kings, Cheltenham

Visit

Garden Visit Besthorpe Hall Attleborough

25 July 2025 6.00pm - 25 April 2025 8.30pm

Attleborough , Norfolk