Eric Robson leads the GQT team in lively horticultural debate in the village of Hartlebury.
Anne Swithinbank investigates the manufacture and safety of municipal compost for the domestic gardener.
Get more from your shopping: Using your grocery leftovers to grow from seed. Bob Flowerdew advises.
Produced by Lucy Dichmont with Howard Shannon
A Somethin' Else production for BBC Radio 4.