Dirty Dozen and Clean Fifteen 2026: When to Buy Organic
Updated: Nov 2
The quick answer: Buy organic for the Dirty Dozen, the fruits and vegetables with the most pesticide residue. In 2026, that list is led by spinach, kale and other greens, strawberries and grapes. The Clean Fifteen, led by pineapple, sweet corn and avocados, are safe to buy conventional and save money.
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What's new in the 2026 lists?
EWG analyzed USDA data from more than 54,000 samples of 47 fruits and vegetables and detected 264 different pesticides.
96% of Dirty Dozen samples had pesticide residues, while nearly 60% of Clean Fifteen samples had none detectable.
New this year: EWG reports that PFAS pesticides, known as "forever chemicals," showed up on 63% of Dirty Dozen samples.
Spinach moved to #1. The lists are otherwise very similar to 2025, with small shifts in ranking.
Source: EWG's 2026 Shopper's Guide to Pesticides in Produce.
🥬 What Are the Dirty Dozen and Clean Fifteen?
EWG’s Dirty Dozen and Clean Fifteen are annual rankings of non-organic (conventionally grown) produce based on pesticide contamination. These rankings help consumers reduce pesticide exposure in their diet, especially when organic options are limited.
Dirty Dozen = Highest pesticide residues
Clean Fifteen = Lowest pesticide residues
🚫 2026 Dirty Dozen (Buy Organic When Possible)
These items tested high for pesticide residues even after being washed and peeled:
Spinach
Kale, collard and mustard greens
Strawberries
Grapes
Nectarines
Peaches
Cherries
Apples
Blackberries
Pears
Potatoes
Blueberries
Coach Theah's honorable mentions: bell and hot peppers and green beans have also tested high in pesticides in recent years, so I buy those organic too. And since potatoes are the most-eaten vegetable in the U.S., skip restaurant fries, baked and mashed potatoes when you can.
💡 Thin skins and leafy surfaces absorb more pesticide, making these especially important to buy organic.
Fungicides in the Dirty Dozen
Fungicides are among the most prevalent pesticides found on the Dirty Dozen, such as:
fludioxonil
pyraclostrobin
boscalid
pyrimethanil
These may pose risks to humans, particularly to hormonal balance.
Fludioxonil is problematic because this fungicide is linked to breast cancer since it acts like estrogen. It also can have harmful effects to male reproduction. Pyrimethanil has been foundto potentially block androgen receptors and lead to thyroid disruptions.
There is animal research that shows pyraclostrobin may be associated with liver toxicity in and metabolic disorders. Boscalid has been linked to cancer, thyroid issues and hormone disruptions in animal studies.
Worrisome side of citrus
EWG also has raised red flags when it comes to non-organic citrus over the years, even though citrus didn’t land on the Dirty Dozen list. The organization found that almost 90 percent of citrus samples analyzed in 2020 tested positive for imazalil, a fungicide that can interfere with hormone levels. The EPA dubbed this fungicide a “likely human carcinogen.”
USDA’s own 2019 testing looking at tangerines found more than 95 percent tested positive for imazalil, too.
✅ 2026 Clean Fifteen (Safe to Buy Conventional)
These items showed little to no pesticide contamination:
Pineapple
Sweet corn (fresh and frozen)
Avocados
Papaya
Onions
Sweet peas (frozen)
Asparagus
Cabbage
Cauliflower
Watermelon
Mangoes
Bananas
Carrots
Mushrooms
Kiwi
💡 Fruits and veggies with thick skins or peels generally rank better due to natural protection.
🌱 Why It Matters
Pesticides can disrupt hormones, impact fertility, and affect children's development.
Eating organic Dirty Dozen produce reduces exposure significantly.
Eating Clean Fifteen conventional options helps stretch your grocery budget wisely.
🛒 Shopping Tips
Buy organic for Dirty Dozen items when possible.
Go conventional for Clean Fifteen to save money.
Wash all produce well—even those with skins or peels.
Support local farmers who may use fewer synthetic chemicals.
Coach❤️Theah tip, when eating out avoid eating from the dirty dozen list!
Keep learning
Health Risks from Pesticides in Produce
Consumers deserve to know what’s on their food—especially when it comes to pesticides. Peer-reviewed scientific studies have shown that pesticide residues on fruits and vegetables may have harmful health effects.
Impact on Chronic Disease and Mortality
Eating fruits and vegetables is generally linked to better heart health and lower mortality. However, studies show that consuming produce with high pesticide residues may reduce these protective benefits, weakening their role in preventing cardiovascular disease and other chronic illnesses.
Fertility and Reproductive Health
Pesticides may also impact reproductive health.
One study found that produce low in pesticide residues was associated with improved sperm quality.
Another linked high-residue produce to reduced ovarian function.
Cancer, Diabetes, and Long-Term Exposure
A large French population study (2014–2020) found that certain mixtures of pesticides were associated with a higher risk of breast cancer and Type 2 diabetes.Importantly, a low-pesticide diet was linked to reduced risks of both conditions.
These findings raise a critical concern: people may be exposed to multiple pesticide chemicals through a single meal, compounding potential risks.
Children and Pesticide Exposure
Children are especially vulnerable. Pesticide exposure during pregnancy and early life can have lasting health effects.
In 2020, an EWG study published in Environmental Health revealed that the EPA failed to apply a legally mandated safety factor designed to protect children for nearly 90% of the most common pesticides.
This “children’s health safety factor”, required by the Food Quality Protection Act, was established to ensure stricter exposure limits for young populations.
This lack of protection is especially troubling given that the risks to infants and children have been known since at least 1993, when the National Academies published a landmark report warning of inadequate pesticide oversight in children’s diets.
What You Can Do
The American Academy of Pediatrics encourages parents to consult EWG’s Shopper’s Guide if they’re concerned about pesticide exposure in their children’s diet.
💡 Tip: Use the EWG’s Dirty Dozen & Clean Fifteen to make informed produce choices and reduce pesticide exposure for your family.
Dirty Dozen FAQ
What is on the 2026 Dirty Dozen list?
Spinach; kale, collard and mustard greens; strawberries; grapes; nectarines; peaches; cherries; apples; blackberries; pears; potatoes and blueberries.
What is on the 2026 Clean Fifteen list?
Pineapple, sweet corn, avocados, papaya, onions, frozen sweet peas, asparagus, cabbage, cauliflower, watermelon, mangoes, bananas, carrots, mushrooms and kiwi.
Does washing produce remove pesticides?
Washing under running water for at least 20 seconds can reduce pesticide residue, but it doesn't remove all of it. EWG's testing is done on produce that has already been washed or peeled the way people normally eat it.
Is the Dirty Dozen list reliable?
The list is based on USDA testing data. Some farming groups point out that nearly all samples fall below EPA legal limits. EWG's view is that limits are set one pesticide at a time, while we eat mixtures. Either way, the list is a simple tool for deciding where your organic budget matters most. Eating more fruits and vegetables, organic or not, is always a win.
Should I stop eating Dirty Dozen produce if I can't buy organic?
No! The benefits of eating fruits and vegetables outweigh the risks. Buy organic when you can, wash produce well, and choose frozen organic options to save money.
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