The "Dirty Dozen" and the "Clean Fifteen": What Tennessee Shoppers Need to Know in 2026

If you've ever stood in the produce aisle wondering whether to reach for the organic strawberries or save a few bucks on the conventional ones, you're not alone. It's one of those quiet, daily decisions that can feel overwhelming without the right information. That's exactly why we want to talk about two lists that have been quietly changing the way health-conscious shoppers buy groceries for years — the Dirty Dozen and the Clean Fifteen.

And here in Tennessee, where we're lucky enough to have some of the most hardworking, conscientious farmers in the country right in our backyard, this conversation gets even more interesting.

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What Are the Dirty Dozen and the Clean Fifteen?

Every year, the Environmental Working Group (EWG) analyzes pesticide residue data collected by the USDA and the FDA. From that data, they publish two lists:

• The Dirty Dozen — the twelve fruits and vegetables most likely to carry pesticide residues even after washing
• The Clean Fifteen — the fifteen fruits and vegetables with the lowest pesticide residue levels

These lists are updated annually, and in 2026, the Dirty Dozen continues to be dominated by thin-skinned fruits and leafy greens that absorb pesticides more readily.

The 2026 Dirty Dozen (Watch These Closely)

The usual suspects tend to hold their spots year after year. You'll typically find:

• Strawberries
• Spinach
• Kale, collard greens, and mustard greens
• Peaches
• Pears
• Nectarines
• Apples
• Grapes
• Bell peppers and hot peppers
• Cherries
• Blueberries
• Green beans

When it comes to these items, buying organic or buying local from a farmer you trust makes a meaningful difference.

The 2026 Clean Fifteen (Lower Risk Picks)

These tend to have thicker skins, natural protective layers, or are simply grown in ways that require fewer chemical interventions:

• Avocados
• Sweet corn
• Pineapple
• Onions
• Papaya
• Sweet peas (frozen)
• Asparagus
• Honeydew melon
• Kiwi
• Cabbage
• Mushrooms
• Mangoes
• Sweet potatoes
• Watermelon
• Carrots

For this group, conventional is generally considered a lower-risk choice — which is great news for your grocery budget.

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Why This Matters More Than You Might Think

We're not here to scare anyone. The goal isn't to make you feel like every trip to the grocery store is a minefield. But here's the honest truth: long-term, cumulative exposure to pesticide residues is something worth paying attention to, especially for children, pregnant women, and anyone with a compromised immune system.

Beyond personal health, there's an environmental angle too. Heavy pesticide use affects soil health, pollinator populations, and watershed quality. When you choose produce that's been grown more responsibly, you're casting a vote for the kind of food system you want to live in.

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The Tennessee Advantage: Know Your Farmer, Skip the Guesswork

Here's where living in Tennessee gives you a real leg up on this whole conversation. We have an extraordinary network of small and mid-size farms across the state — from the rolling hills of Middle Tennessee to the fertile river bottoms of West Tennessee — and many of them are growing food with far less chemical input than large commercial operations, even if they're not certified organic.

Organic certification is expensive and time-consuming. Many small Tennessee farms practice what you might call "beyond organic" growing — no synthetic pesticides, healthy soil biology, careful water management — but they simply haven't gone through the formal certification process. You'd never know that from a grocery store label.

This is why talking to your farmer matters so much. At Ember & Oak, we visit our farm partners, ask the hard questions, and build real relationships with the people growing our food. When we put kale on the menu, we know exactly how it was grown and who tended it.

A Few Questions Worth Asking at Your Local Farmers Market

If you're shopping at a Tennessee farmers market this season, don't be shy. Most growers genuinely love talking about their practices. Try asking:

• "Do you use synthetic pesticides or herbicides?"
• "What do you use for pest control?"
• "How do you manage your soil health?"
• "Are you certified organic, or do you practice organic methods without certification?"

You'll be surprised how much a short conversation can reveal — and how proud most farmers are to share their story.

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How We Use These Lists in Our Own Kitchen

At Ember & Oak, the Dirty Dozen list is something our kitchen team genuinely references when we're planning menus and sourcing decisions. For high-residue items like spinach and strawberries, we prioritize local sourcing from farms we've verified. For Clean Fifteen items like sweet corn and sweet potatoes, we have more flexibility — and Tennessee grows some of the best sweet potatoes and corn in the country, so that works out nicely.

We also pay attention to seasonality. A lot of pesticide problems are amplified when produce is shipped long distances out of season. A strawberry grown in Florida in December and trucked to Nashville is going to look very different (from a pesticide standpoint) than one grown twenty miles away and picked the morning of your farmers market visit.

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Simple Takeaways for Your Next Shopping Trip

You don't need to overhaul everything at once. Here's a practical starting point:

1. Prioritize organic or local for the Dirty Dozen — especially strawberries, spinach, and leafy greens, which consistently top the list.

2. Save your budget on the Clean Fifteen — conventional is fine here.

3. Always wash your produce thoroughly, regardless of whether it's conventional or organic.

4. Get to know a local farmer. Even one relationship with a trustworthy grower changes the game.

5. Check the EWG's updated list each year — it does shift, and staying current keeps you informed.

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Eating clean isn't about perfection. It's about making better choices more often, building trust with the people who grow your food, and understanding that what's on your plate has a story. Here in Tennessee, that story is often a really good one — you just have to be willing to ask.

We'll keep sharing ours, one plate at a time.