Postbag Edition: RHS Chelsea Flower Show
Kathy Clugston, Peter Gibbs and the GQT team dip into the postbag to answer your gardening questions at the Chelsea Flower Show.
Kathy Clugston and a panel of green-fingered gurus, Kirsty Wilson, Pippa Greenwood, and Dr Chris Thorogood, explore the spectacular Chelsea Flower Show!
Meanwhile on the vibrant main avenue, roving reporter Peter Gibbs explores gardens shaped by climate challenges. He steps into the thought-provoking Save for a Rainy Day Garden to chat with designer Baz Granger about clever water-saving ideas. Then, he ventures into the lush creativity of the Hospitalfield Arts Garden, where he meets celebrated garden designer Nigel Dunnett for a conversation on art, ecology, and sustainable planting.
Producer: Dom Tyerman
Assistant Producer: Rahnee Prescod and Suhaar Ali
A Somethin' Else production for BBC Radio 4
Last on
Plant List
Questions and timecodes are below. Where applicable, plant names have been provided.
Q - Why have my 10-year-old Camelia gotten developed smaller flowers this year? (02'05")
Q - Has my very large sycamore tree been stunting the growth of my old flowering cherry tree? (04'32")
Q - I wondered if I could plant that’s low level and creeping, which would reduce weeding and could cope with occasionally being walked on? (09'20")
Joe –
Mentharequienii, corsican mint
Thymusvulgaris, common thyme
Wild carrots
Poppies
Pippa Greenwood–
Armeriamaritima, thift
Kirsty Wilson-
Erigeron, fleabane
Thymus 'Jekka', thyme ‘jekka’
Dr Chris Thorogood –
Atriplexhalimus, tree purslane
Q – I’ve been experimenting with a variety of annuals, small trees, herbs, strawberries, and tomatoes. Should I be replacing all the compost in the tubs? (12'45")
Feature – Peter Gibbs visits the ‘Save For A Rainy Day” garden, where he speaks to garden designer Baz Granger (15’55”)
Baz Granger –
Stachysbyzantine, lamb’s ear
Achilleamillefolium, common yarrow
Oreomeconnudicaulis, Icelandic poppy
Linumperenne, perennial flax
Q- I got a puppy last August and I want to redesign my garden this year to be dog friendly. What advice can the panel offer? (22'30")
Q - We've had sporadic appearing orange patches. They’re now a permanent feature of the lawn. Any ideas on what could be causing this? (24'35")
Feature – Hospitalfield Arts Garden, where he meets celebrated garden designer Nigel Dunnett for a conversation on art, ecology, and sustainable planting (26’24”)
Nigel Dunnett-
Gypsophilarepens 'Rosea', creeping baby’s breath ‘Rosea’
Arrhenatherumelatius, false oat grass
Q- We have a raised bed in our back garden, about 30 meters long with mature trees – what could grow here? (32'06")
Kirsty –
Spinach
lettuce
radishes
Bunny Guinness-
Polystichumsetiferum, soft shield fern
Valerianaofficinalis, common valerian
Euphorbia, spurge
Chris Thorogood-
Salviayangii (Pe), Russian sage
Irisgermanica, bearded iris
Iris 'Superstition' (TB), iris ‘Superstition’
Q - What advice could you give to supermarkets to keep their plants fresh and saleable? (37'00")
Broadcasts
- Fri 23 May 202515:00BBC Radio 4
- Sun 25 May 202514:00BBC Radio 4
Podcast
![]()
Gardeners' Question Time
Horticultural programme featuring a group of gardening experts


