Gardeners' Question Time

BBC Radio 4
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Dec 22, 2025 • 42min

Wrexham County Borough: Rose Cuttings, Begonias and Hydrangeas

In this lively discussion, botanist and garden writer James Wong shares practical tips on propagating roses, recommending layering as a foolproof method. Bethan Collerton, head gardener at Birmingham Botanical Gardens, offers solutions for deterring sheep with spiky shrubs and suggests vibrant plants for shaded areas. Curator Marcus Chilton-Jones dives into the mystery of hydrangeas changing color, explaining the role of soil acidity. Together, they tackle various gardening dilemmas, providing expert advice and encouraging green-thumb creativity.
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6 snips
Dec 12, 2025 • 43min

Dundee: Amaryllis, Monkey Puzzles and Australian Plants

Join horticulturists Matthew Pottage, Kirsty Wilson, and Neil Porteous as they delve into pressing gardening questions. They reveal expert tips on propagating monkey puzzle trees and recommend hardy Australian plants that can brave Dundee's winters. Curious about why your Amaryllis isn't flowering? They share insights on optimal care for Hippeastrum. Plus, they assess storm-damaged trees and explore the fascinating Garden Futures exhibition. It's a treasure trove of plant wisdom and gardening advice!
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16 snips
Dec 5, 2025 • 42min

Waltham Forest: Coriander, Sow-By-Date and Perennials

This lively discussion features James Wong, an ethnobotanist known for his botanical insights, horticulturist Matthew Biggs, offering practical plant-care tips, allotment enthusiast Frances Tophill, who shares enthusiastic growing strategies, and seasonal expert Anne Swithinbank, providing winter preparation advice. They dive into the secrets of growing coriander, the importance of sow-by dates, and how perennials can thrive in challenging climates. Plus, Anne highlights essential winter protection strategies for garden plants!
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4 snips
Nov 28, 2025 • 42min

Henley-on-Thames

Join veteran horticulturalist Pippa Greenwood and head gardener Matthew Pottage as they tackle a variety of gardening dilemmas. They discuss innovative compost techniques using horse manure and how to manage pesky codling moths in apples. The duo shares tailored shrub recommendations for compact gardens and highlights the impact of local wildlife on their landscapes. Additionally, learn about creating an eco-friendly dead hedge and the best practices for pruning pleached olives. It's a treasure trove of gardening wisdom!
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6 snips
Nov 21, 2025 • 43min

Chirk: Pickled Onions, Tall Perennials and Picky Pests

In this lively discussion, gardening experts Marcus Chilton-Jones, Bethan Collerton, and James Wong tackle pressing green-fingered queries. They explore why perennials can grow too tall, with clever tips like the Chelsea chop. The panel shares insights on the best onions for pickling, emphasizing flavor and sulfur boosts. They also dive into why burgundy flowers attract pests and offer solutions for mushroom identification. Plus, Bethan highlights the Wrexham community's gardening success, showcasing enthusiasm and adaptability.
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4 snips
Nov 14, 2025 • 42min

St Mary's Walthamstow

Join ethnobotanist James Wong, plant expert Matthew Biggs, and horticulturist Frances Tophill as they tackle pressing gardening queries. They explore how to revive tired raspberry canes and suggest durable plants suitable for families and pets. The trio discusses balancing bee-friendly pavements with public perception and highlights resilient London street trees. Additionally, they delve into the pros and cons of growing Agapanthus from seed versus vegetative care. Tune in for invaluable tips and a sprinkle of green inspiration!
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12 snips
Nov 7, 2025 • 42min

Postbag Edition: Bicton Park Botanical Gardens

Joining the discussion are Chris Beardshaw, an award-winning garden designer; Frances Tophill, a horticulturist and TV presenter; Anne Swithinbank, a houseplant expert; and Edward Lister, manager of Bicton Park Botanical Gardens. They tackle intriguing gardening dilemmas like how to revive a dried-out compost heap and the ideal size for a greenhouse. Edward shares fascinating insights about the Italian Garden's history, while the panel recommends drought-tolerant plants for neglect and discusses the mysteries of cedar of Lebanon seed germination.
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10 snips
Oct 31, 2025 • 42min

Phyllis Court: White Fly, River Thames and Favourite Gardens

Join renowned pest specialist Pippa Greenwood, head gardener Matthew Pottage, and passionate plantswoman Christine Walkden as they tackle garden mysteries at Phyllis Court. They explore the surprising benefits of Thames floodwater for soil, the increase of pesky whitefly, and share their favorite gardens for inspiration. Local grower Johnny ‘Hot Stuff’ Mayard reveals secrets in cultivating chillies for his hot sauce empire, while the panel offers expert tips on planting and maintaining vibrant gardens all year round.
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4 snips
Oct 24, 2025 • 42min

Two Dales

Join garden designer Bunny Guinness, RHS curator Marcus Chilton-Jones, and alpine specialist Bethan Collerton as they dive into humorous plant mishaps and survival tips. They discuss the art of bulb planting success, share favorite low-maintenance plants, and reveal which seeds they'd take to a desert island. Marcus also chats about the fascinating history of camellias at Chatsworth House. With practical advice and lively banter, this trio offers a treasure trove of horticultural insights!
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12 snips
Oct 17, 2025 • 43min

Postbag Edition: RHS Wisley Greening Skills Garden

Join experienced horticulturist Matthew Pottage, plantsman Matthew Biggs, and pest expert Pippa Greenwood as they explore the innovative RHS Wisley Greening Skills Garden. They discuss the garden's role in training future horticulturists while tackling listener queries, from troubleshooting droopy courgettes to managing pesky woolly aphids. Discover ecological insights on mast years and practical tips for composting and caring for plants in this engaging conversation packed with expertise.

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