Disclaimer: we grew hundreds and hundreds of acres of Blueberries both sustainable, conventional and organic for years.
Harvest tip, the berry when ripe will fall off in your hand as you shake the bush. Always harvest at night as the fruit has a death grip on the stem trying to ensure it gets water during the daylight hours in hot sun. Makes harvesting much more difficult. The berries should provide 3-4 passes on harvest. I still love them but your pix brought back some memories!