Carnivorous plants: How they lure, trap and digest

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 â€" one very experienced and one just starting out â€" offer their tips for growing venus fly traps.

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