Sarah Swadling hears how the Cornish daffodil harvest has been delayed by the big freeze.
Charlotte Smith helps bring in the hop harvest on a farm in Kent.
Golden fields of oilseed rape increase as the UK is set to harvest more than ever before.
Joanna Pinnock is in Shropshire looking at ancient holly in this episode from 2011.
Are ash trees coping with the spread of ash dieback in Britain? Adam Hart investigates.
Ash trees are dying from ash dieback. Helen Mark hears how Kent is preserving their memory
Lionel Kelleway takes a festive look at mistletoe. Recorded in 2001.
Kathy Willis on how new opportunities opened up for finding medicines from plants.
Helen Mark meets Alistair McGowan at a plum festival in the Vale of Evesham.
Banning Eyre visits Misiones province in Argentina to learn about chamame music.
Raymond Blanc explains how travel in Asia led to a culinary love affair with lemongrass.
On a Shropshire hillside ancient holly trees reveal an astonishing relationship with rowan
Brett Westwood explores the role daffodils play in art, medicine, literature and belief.
Paul Evans revels in the blooming of spring daffodils at Dymock in Gloucestershire.
Richard and guests consider the natural and cultural history of the elm, beech and holly.
Artist Zarah Hussain reflects on gardening, roses and cultural identity.
Sheila Dillon explores a bulb which arouses strong feelings - and aromas - garlic.
Charlotte Smith heads to a Worcestershire farm to help out with the hop harvest.
The renaissance in English hops: more varieties, more ales, more happy and hoppy customers
Does Japanese knotweed deserve its place as the most hated plant in the UK?
Where in the world does our food come from and why? Charlotte Smith investigates.
Benjamin Ramm explores one of the strangest chapters in China's history - mango mania.
Owen Sheers visits the annual Mistletoe Festival at Tenbury Wells.
Chris Sperring is in Hampshire looking at lime trees with lime tree specialist Hugh Milner
Can plants and animals inspire a new generation of medicine? Alice Roberts reports.
Sarah Swadling meets the brewers showing faith in British hops.
Nigel Slater makes a confession about the spice...
For Nigel Slater, nutmeg is 'the scent of Christmas', but Sheila Dillon needs convincing.
Director Oliver Stone on his new film ‘Savages’ about two marijuana growers in California.
Sybil Ruscoe follows the British opium poppy harvest from field to pharmacy.