Meet the "dirty dozen": Produce with the most pesticides When it comes to picking produce in the grocery store, we don't always think about how clean our fruit and vegetables really are. Luckily, the Environmental Working Group (EWG) produces a list of the dirtiest and cleanest produce so consumers know exactly what is going into their shopping carts and on their kitchen tables. Related: 20 Low-Calorie Snacks While we're not surprised that some leafy greens made the list (they are, after all, a major source of food-borne illness), we were surprised to see potatoes made the "dirty dozen," while sweet potatoes made the "clean fifteen." No matter what you buy in the produce aisle, it's always important to wash your fruits and veggies at home. Consider this a reminder (we certainly will!). Related: 10 Tasty and Healthy Foods That Don't Break the Bank 2013 Dirty Dozen 1. Apples 2. Celery 3. Cherry tomatoes 4. Cucumbers 5. Grapes 6. Hot peppers 7. Nectarines (imported) 8. Peaches 9. Potatoes 10. Spinach 11. Strawberries 12. Sweet bell peppers Related: Household Weight-Loss Items Enough with the bad news. There are plenty of produce options that are well-cleaned and relatively free of harmful pesticides. Check out the 15 cleanest produce items for 2013: 2013 Clean Fifteen 1. Asparagus 2. Avocados 3. Cabbage 4. Cantaloupe 5. Sweet corn 6. Eggplant 7. Grapefruit 8. Kiwi 9. Mangos 10. Mushrooms 11. Onions 12. Papayas 13. Pineapples 14. Sweet Peas (frozen) 15. Sweet potatoes Click for more from All You.