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The Plantrama duo discuss caffeine as an insecticide, and talk about corn, which is a grass and a great deal more. The episode ends with a discussion of picking green apples.

:36    True or False:      Caffeine is a natural insecticide.
7:42    Eat/Drink/Grow:  Corn: it’s a vegetable! It’s a biofuel! It’s livestock food! It’s an autumn decoration!
18:49   Love Letters and Questions:  Mary wrote to ask about picking green apples.