Most plants get the energy and nutrients they need from water, sunlight, air and soil. But carnivorous plants get key nutrients from a different source: bugs.
We’ll find out how they do it and talk about the mystery of how venus fly traps snap shut.
Plus: Two gardeners – one very experienced and one just starting out – offer their tips for growing venus fly traps.
And very dramatic video of a venus fly trap in action from the BBC: