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Certain kinds of produce carry a heavy toxic load if they are grown with conventional methods that include pesticides. Others, for different reasons in how they are raised or what kind of skin/rind they form, do not. This PBS article has more detail but here are the two lists for quick reference.

We should only buy these “Dirty Dozen” organic:

  • celery
  • peaches
  • strawberries
  • apples
  • domestic blueberries
  • nectarines
  • sweet bell peppers
  • spinach, kale and collard greens
  • cherries
  • potatoes
  • imported grapes
  • lettuce

These “Clean 15” are safe to consume conventionally:

  • onions
  • avocados
  • sweet corn
  • pineapples
  • mango
  • sweet peas
  • asparagus
  • kiwi fruit
  • cabbage
  • eggplant
  • cantaloupe
  • watermelon
  • grapefruit
  • sweet potatoes
  • sweet onions

Besides the direct toxic effects of pesticides on our bodies, there are plenty of other reasons to support balanced organic farming. But if we’re looking for a place to start, this list is a great one!