Leeks from United Kingdom
How often official samples of leeks grown in United Kingdom break the EU maximum residue level for pesticides, by why the sample was taken.
UK supermarkets: 31 samples since 2026, 0 above the UK limit.
Random market samples
No random market samples of this product from this origin in the files on hand.
UK supermarket samples
| Month | Retailer | Residues found (mg/kg) |
|---|---|---|
| 2026-03 | Tesco | none found |
| 2026-03 | Tesco | none found |
| 2026-03 | Marks & Spencer | none found |
| 2026-03 | Morrisons | none found |
| 2026-03 | Tesco | none found |
| 2026-03 | Waitrose | none found |
| 2026-03 | Morrisons | none found |
| 2026-02 | Asda | none found |
| 2026-02 | Lidl | boscalid 0.01 (MRL = 9) |
| 2026-02 | Morrisons | none found |
| 2026-02 | Aldi | none found |
| 2026-02 | Morrisons | none found |
| 2026-02 | Sainsbury's | none found |
| 2026-02 | Other shops | none found |
| 2026-02 | Other shops | boscalid 0.01 (MRL = 9) |
| 2026-02 | Other shops | ametoctradin 0.05 (MRL = 5) |
| 2026-02 | Other shops | dimethomorph 0.01 (MRL = 1.5); azoxystrobin 0.01 (MRL = 10); ametoctradin 0.02 (MRL = 5) |
| 2026-02 | Other shops | boscalid 0.01 (MRL = 9) |
| 2026-02 | Other shops | propamocarb (sum) 0.01 (MRL = 20) |
| 2026-02 | Other shops | ametoctradin 0.03 (MRL = 5); azoxystrobin 0.02 (MRL = 10); dimethomorph 0.02 (MRL = 1.5) |
| 2026-01 | Morrisons | azoxystrobin 0.01 (MRL = 10); difenoconazole 0.02 (MRL = 0.6) |
| 2026-01 | Aldi | clopyralid 0.02 (MRL = 0.7); tebuconazole 0.01 (MRL = 0.6) |
| 2026-01 | Sainsbury's | none found |
| 2026-01 | Tesco | none found |
| 2026-01 | Waitrose | difenoconazole 0.01 (MRL = 0.6) |
| 2026-01 | Lidl | difenoconazole 0.02 (MRL = 0.6) |
| 2026-01 | Lidl | propamocarb (sum) 0.04 (MRL = 20); tebuconazole 0.02 (MRL = 0.6) |
| 2026-01 | Morrisons | azoxystrobin 0.02 (MRL = 10); difenoconazole 0.04 (MRL = 0.6) |
| 2026-01 | Aldi | clopyralid 0.02 (MRL = 0.7) |
| 2026-01 | Tesco | none found |
| 2026-01 | Sainsbury's | difenoconazole 0.01 (MRL = 0.6) |
Defra's Pesticide Residues in Food programme. UK limits mirror the EU's as retained in 2021 and may since differ.
Testing a shipment?
The substances listed on this page are the ones that most often break the EU limit on this product from this origin. A lab panel that covers them is the cheapest way to avoid a rejection.
Exporter residue report: United Kingdom
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Data
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