Dirty dozen
This is the list of foods with the highest amount of contamination of pesticides.
These should always be bought organic.
Spinach
Strawberries
Kale, Collard, and Mustard Greens
Grapes
Peaches
Cherries
Nectarines
Pears
Apples
Blackberries
Blueberries
Potatoes
Clean fifteen
These instead are the foods with the least amount of contamination from pesticides
Pineapples
Sweet Corn (Fresh and Frozen)
Avocados
Papaya
Onion
Sweet Peas (Frozen)
Asparagus
Cabbage
Watermelon
Cauliflower
Bananas
Mangoes
Carrots
Mushrooms
Kiwi
Sources
https://www.ewg.org/foodnews/dirty-dozen.php
https://www.ewg.org/foodnews/clean-fifteen.php
Marco Caspani
Last update: 02/10/2025