Produce
Blueberries
Blueberries sit in the middle of the residue range — detections are common, but samples average fewer compounds than stone fruit or grapes. Combined with a high nutrient-density score and frequent snacking use, they land as a reasonable second-tier organic upgrade.
Organic upgrade priority
Prioritize organic
Score 38/100 · about $3.60 a week extra for a household of two
- →Conventional samples index 61/100 against 10/100 for organic — a 51-point difference.
- →At about 2.5 servings a week, the difference applies to a smaller share of what you eat.
Key numbers
- Residue evidence
- 61/100
- Higher residue evidence
- Nutrient density
- 84/100
- Per calorie, across the whole database
- Typical price
- $3.99
- per 11 oz container · organic +45%
- Servings a week
- 2.5
- Per person, at typical purchase volume
- Samples
- 1,202
- Conventional, 2020–2022 · 140 organic
- Data confidence
- High
- Set from sample size and year coverage
Organic vs conventional blueberries
| Measure | Conventional | Organic |
|---|---|---|
| Samples analysed | 1,202 | 140 |
| Program years | 2020–2022 | 2020–2022 |
| Samples with any residue | 90% | 29% |
| Mean residues per sample | 4.0 | 0.4 |
| Samples above the EPA tolerance | 0.17% | 0.00% |
| Relative residue evidence index | 61/100 | 10/100 |
| Typical price | $3.99 / 11 oz container | $5.79 / 11 oz container |
Nutrition
Per 1 cup (148 g).
84
calories
1.1 g
protein
3.6 g
fiber
14.7 g
sugar
- Vitamin K 24% DV
- Manganese 22% DV
- Anthocyanin polyphenols
How to wash blueberries
Rinse in a colander right before eating. The dusty grey "bloom" on the skin is a natural wax the berry makes itself — a freshness sign, not residue, and rinsing removes it.
Washing reduces surface residue and soil. It does not remove systemic compounds taken up into the plant, and no soap, vinegar, or commercial produce wash has been shown to beat 30 seconds of plain running water by a margin worth paying for. Full washing guide.
Buying and storing
- ◆Frozen blueberries are picked at peak ripeness and cost roughly half what fresh does off-season. For smoothies, oatmeal, and baking there is no practical reason to buy fresh from November to April.
- ◆Wild (lowbush) blueberries are smaller, darker, and carry noticeably more anthocyanins per gram than cultivated highbush berries. They are almost always sold frozen.
Common questions
›Should I buy organic blueberries?
Yes, if you are upgrading anything. Blueberries scores 38/100 on organic upgrade priority — conventional samples index 61/100 against 10/100 for organic, and at roughly 2.5 servings a week per person that difference applies often. The upgrade costs about $3.60 a week for 2 people.
›Are blueberries high in pesticides?
Blueberries shows higher residue evidence — an index of 61/100 relative to other commodities. Across 1,202 conventional samples from 2020–2022, 90% contained at least one detected residue, averaging 4.0 distinct compounds per sample, and 0.17% exceeded the applicable EPA tolerance. A detection is not the same as an unsafe level.
›How much more does organic blueberries cost?
About 45% more at typical U.S. retail — $3.99 per 11 oz container conventional against $5.79 organic. For a household of 2 at normal purchase volume that is roughly $3.60 a week.
›How should I wash blueberries?
Rinse in a colander right before eating. The dusty grey "bloom" on the skin is a natural wax the berry makes itself — a freshness sign, not residue, and rinsing removes it.
›What can I buy instead of blueberries?
If the organic version is out of budget or the fresh price has spiked, Frozen berries, Kiwi, Watermelon cover similar ground on this list. Each one is either lower on residue evidence, cheaper per serving, or both.
Related foods
Frozen berries
$4.49 / 16 oz bag · organic $5.99
Kiwi
$0.79 / each · organic $1.19
Watermelon
$6.49 / whole melon · organic $8.99
Blackberries
$3.49 / 6 oz container · organic $4.99