19:00Wild About WiltshireWith Rhiannon Fitz-GeraldBBC Radio Wiltshire Duration: 3 hours Wed 29th May 2019, 19:00 on BBC WiltshireErlestoke Prison's horticultural instructor reveals his rather ingenious invention.GenresFactualHomes & GardensFactualScience & NatureBrandWild About Wiltshire Source: BBC Online