Podcasts · Gardening with the RHS

Dark Corners, Bright Ideas

· 36 min

Episode Dark Corners, Bright Ideas

0:00 36:14

We start this week with a journey back in time, exploring some of the oldest and most resilient plants on the planet: ferns. Gardener, botanist and author Ben Dark has been uncovering some surprising stories about these living fossils as part of his sweeping journey – 2.5 billion years deep – into the fascinating history of plants. Ferns thrive in damp, shady garden corners — but they’re not the only ones. Horticulturist Alessandra Sana faced this exact challenge when she took on the north-facing wall of RHS Wisley’s walled garden. She shares her go-to plants and creative inspiration for transforming those tricky, low-light spots into lush, green sanctuaries. And finally, we cross the Atlantic to hear from John Sonnier, Head Gardener at the British Embassy in Washington, D.C. His pioneering sustainable gardening practices have just earned him the prestigious Elizabeth Medal of Honour from the RHS.

Host: Guy Barter

Contributors: Ben Dark, Alessandra Sana, John Sonnier

Links:

The Grove: A Nature Odyssey in 19 ½ Front Gardens

Shade planting: annuals, bulbs and perennials

What can I grow in a dry shady spot?

Sustainable planting combinations: shade collection

RHS People Awards

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