Blueberry Stains From Clothes. I got this tip from my mom who gave a 4-H demonstration on stain removal. Until they get them on their clothes.
Dip a cloth in only the foam and apply to berry stain. If any stain remains rub the area with a cloth dampened in a solution of 1 tablespoon oxalic acid to 1 pint water. Soak for 15 to 30 minutes before rinsing well.
Try to avoid using paper towels as tiny particles could get stuck between the fabric fibers.
Then rinse the clothing with cold water. Use a clean white rag to blot the stain until the liquid is absorbed. Although were often taught that hot water is best for removing stains thats not. This also applies to other deep red-colored fruit stains such as those made by cherries grapes blackberries cranberries and raspberries.
