For hearty crops of big berries you need to prune your raspberries. An annual prune makes a huge difference to harvest and health, and as long as your patch isn't too wild, it's a quick job on a sunny winter's day.
Organic gardener Kath Irvine joins the show to talk us through how to get the job done.
Irvine is the author of The Edible Backyard, a practical guide to growing organic fruit and vegetables all year round.