Allergen note
Blueberry allergy is very rare. Blue-purple stains on the skin, dark blue-black stools and bits of berry skin in the diaper after eating are normal and are not signs of a reaction.
How to serve
At 6–8 months, flatten each blueberry between your fingers or mash them into plain yogurt or oatmeal. From 9 months, offer flattened or quartered berries for pincer practice. For toddlers, keep flattening or quartering larger berries until they chew well.
Preparation
Rinse and remove any stems. Squash ripe berries flat or cut them into quarters; firm or frozen berries can be simmered for 2–3 minutes until they burst and soften. Blend or mash for a smooth purée, with no added sugar.
Texture and choking risk
Whole blueberries are round and firm enough to block a small airway, so they are a choking hazard for babies and toddlers. Flatten, mash or quarter them, don't offer them whole or frozen to young children, keep your child seated and always supervise.
Sources: cdc.gov · cdc.gov · healthychildren.org · healthychildren.org · nhs.uk · nhs.uk
Starting ages are typical guidance for healthy, full-term babies who show signs of readiness. Your paediatrician may advise differently, especially where there is a family history of allergy.
Track first tastes and reactions
Log when your child first tries blueberries, note any reaction and see it in the allergen tracker.
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