The Dirty Dozen by Environmental Working Group 2013

Produce that should be purchased organically:

  1. apples
  2. celery
  3. cherry tomatoes
  4. cucumber
  5. grapes
  6. hot peppers
  7. nectarines (imported)
  8. peaches
  9. potatoes
  10. spinach
  11. strawberries
  12. sweet bell peppers

…plus collards & kale
…plus summer squash & zucchini (courgettes)

The Clean Fifteen

Produce that is safe to purchase conventionally:

  1. asparagus
  2. 
avocado
  3. cabbage
  4. cantaloupe
  5. corn
  6. eggplant
  7. grapefruit
  8. kiwi
  9. mangoes
  10. mushrooms
  11. onions
  12. papayas
  13. pineapples
  14. sweet peas (frozen)
  15. sweet potatoes